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{{Spoilers}}
{{Spoiler}}{{Infobox Game
{{Infobox video game
|title = Lomando.com
|title = Google.exe
|image = Catto Boi logo.png
|image = Googleexe.JPG
|maker = mango-ki
|imagecaption = The Google.exe replica of the original search engine.
|type = Video game [[creepypasta]]
|maker= RecordGuy626
|date = 2022-2025
|publisher= Self-published
|platform = [[GameJolt]]
|type= Video game screamers
|engine = [[wikipedia:GameMaker|GameMaker]]  
|date= November 8th, 2016
|platform= ''[[GameJolt]]''
|engine= [[wikipedia:Game Maker|Game Maker 2.1.0]]
}}
}}
 
The '''Catto Boi''' series is a collection of [[games]] created and uploaded to [[GameJolt]] around 2022. Built with [[wikipedia:GameMaker|GameMaker]], the games feature chiptune music and pixel art to create a classic style similar to [[wikipedia:Super Mario Bros.|Super Mario Bros.]]
==Plot==
==Plot==
The main story of the ''Google.exe'' series focuses on Tim Hairten, a boy who suffered from severe depression until an evil voice drove him to his death. After he died, Tim's soul was pulled into the digital world, where he joined the evil spirit that had been tormenting him. Tim and other trapped souls were forced to live inside the "Google Entity", which cursed the company's programs, including [[wikipedia:Hangouts|Hangouts]], [[wikipedia:ChromeOS|ChromeOS]], [[YouTube]], and [[wikipedia:Google Drive|Google Drive]] (referred to as "Filename" in the lore).
[[File:Catto Boi.png|thumb|200px|left|Artist rendition of ''Catto Boi''.]]
 
The ''Catto Boi'' story begins as a simple 2D platformer where the main cat collects biscuits for his friend Big Boi. Everything switches and the player is antagonized by an evil demon named Malice who takes over the game. Reaching outside the screen, Malice tortures both Catto Boi and the player by ruining the game world and forcing the player to change real files on their own computer just to survive. As the nightmare gets worse and the characters realize they are trapped in a computer, the final game, ''Requiem'', reveals a plot twist: the whole series is a time loop that never ends. Malice is actually a broken, crazy version of ''Catto Boi'' himself, which forces everyone to suffer and die over and over in this computer unless the player solves deeply hidden puzzles to finally break the cycle.
==Gameplay==
==History==
The [[application]] opens with a simulated Google interface, featuring limited interactable elements like the search bar, the "search" button, and the "[[wikipedia:I'm Feeling Lucky|I'm Feeling Lucky]]" button. Players can input anything in the search bar and, if available, be redirected; otherwise, they are redirected to a list of available contents.
Created by Zimbabwean game developer and artist mango-ki, the Catto Boi series began as a simple submission for popular [[YouTube]]r Luigikid's ".EXE Creepypasta Challenge". However, due to the game's unexpected popularity, mango-ki continued developing sequels to expand upon its lore. Realizing the original, poorly-coded joke games no longer aligned with the mango-ki's vision, the creator made the bold decision to entirely reboot the series after a 2023 wipe, rebuilding it from the ground up using the [[wikipedia:GameMaker|GameMaker]] engine. On June 18, 2025, mango-ki officially retired from game development, stating that their final project, Catto Boi Forever, was exactly the game they had always wanted to make, allowing them to conclude the series on a deeply satisfying high note. Following this release, they deleted their YouTube channel to step away from the public eye. Eventually, the complete horror saga was bundled into the ''Catto Boi Collection'' and released on [[wikipedia:Steam|Steam]] on September 9, 2025.
 
==The Adventures of Catto Boi==
===First column===
[[File:The Adventures of Catto Boi.png|thumb|400px|Gameplay snapshot of The Adventures of Catto Boi.]]
:* '''About Google''' goes to a note stating Google is now safe and telling the player to check [[wikipedia:Gmail|Gmail]].
:* [[wikipedia:Google Earth|Google Earth]] shows the Earth and lets the player search for a country, but typing one makes the Earth explode with a loud beep as the [[application]] shows a note: "Invalid country you had putten [sic], It doesn't exist..."
:* [[wikipedia:Gmail|Gmail]] shows a password screen where the player can type anything to read an email from "The Google Team" claiming they stalk the player, and leaving the page locks the button forever.
 
===Second column===
:* Google Update shows a "Welcome to Version 6.6.6" message before the background turns to static and the game crashes, leaving a note saying "DENIED YOURSELF DENIED YOURSELF."
:* Google Photos displays stock images of entrepreneurs, but searching for the Google Speed Update suddenly flashes a scary picture of [[Amy Peterson]] from ''[[wikipedia:Fright Night|Fright Night]]'' alongside the loud [[Mov0001.swf]] scream.
:* Google Settings simply shows a fake error message stating that the service is not ready yet.
 
===Third column===
:* [[YouTube]] opens an "unavailable" video called "Unknown Blog" by Tim Hairten before a scary vampire face flashes with a loud scream from [[Scary pop up that will make you jump and cry. World BEST SCREAMER !|Scary pop up that will make you jump and cry]], causing the [[application]] to close into static.
:* [[wikipedia:Asurion|Asurion.com]] lets players click "Scan" for a fake virus check, but the application suddenly cuts to static and closes to show a notepad message repeating, "Your Computer Issues are solved."
:* [[wikipedia:Ask.com|Ask.com]] forces the player to search for "Google.exe," and clicking the result shows a "Google Refused" message alongside a quick flash of [[Katie Embry]] from [[wikipedia:The Ring|''The Ring'']].
 
==Google.exe 2: Hangouts.exe==
Google.exe 2: Hangouts.exe was created and uploaded to [[GameJolt]] on March 26, 2017. it serves as the direct sequel to the original ''Google.exe''.
 
After the game launches, the player clicks a "Welcome to Google Hangouts" screen to start a new session. The main interface shows scary sidebar contacts like ''Alex Blogger'', ''Woman 666'', ''Mr. Death'', ''Charlie'', and ''Satan''. Clicking ''Woman 666'' turns on a fake in-game microphone, which displays a distorted painted eye along with the same scream from [[The Maze]].
 
Messaging ''Mr. Death'' makes the text appear in slow motion to warn the player not to look behind them, all while flashing a [[Sonic.exe]] image and opening the computer's real disc tray. Next, the player gets a video call from ''Charlie'', who invites them to ask a question, but the game suddenly cuts away with another flash of ''[[Sonic.exe]]'' before he can answer.
 
Finally, the game pretends to crash and reopens to a dark, red interface featuring ''Satan''. The screen says "Your fate is sealed" as the disc tray opens again. To finish, a browser window automatically opens to a "Run away" page with creepy music playing, giving one last warning before the [[application]] closes itself.
<gallery mode="packed">
Hangout.JPG|Opening menu of ''Hangout.exe''
Hangout 2.png|Gameplay Screenshot #1.
Hangout 3.png|Gameplay Screenshot #2.
Hangout 4.png|Gameplay Screenshot #3.
</gallery>
==Google.exe 3: Chrome OS.exe==
[[File:Chrome OS 5.JPG|thumb|300px]]
The game begins with a fake [[wikipedia:ChromeOS|ChromeOS]] installation window where the player must manually type "I agree the Google Chrome OS terms of service" to accept the ''Terms of Service''. If the player tries to exit or skip this step, a "You can't escape us" message appears.
 
After installation, a glitchy replica of a ''Chrome OS'' desktop appears, and any attempt to search for information leads to a ''Google 666'' screen or "Creating document" error messages. A "Something went wrong" crash screen then forces the player to try updating or restoring the operating system while "You can't leave us" messages pop up through the recovery options.
 
When prompted to perform a data scan to remove "issues," trying to delete the Chrome OS installation triggers a sudden jump scare with aggressive glitch sounds. The player is then teleported to a dark, distorted desktop with a forest background, where a mysterious figure sends text messages explaining that the device is designed to "cause pain to everyone stuck here." This figure also claims the internet is a "different timeline" where devices use humans to perform searches.


A series of numbers, '''157147''', briefly flashes on the screen, and the player must type this specific code into a red "Enter Passcode" box to reach "The Source of the Web". The mysterious figure explains that they are trapped, and forcing the entities to find search results causes them immense pain. Finally, the game displays a Japanese message that translates to a plea for help from those trapped in the system:
The [[game]] opens with a cheerful title screen, upbeat music, and a vibrant 2D world where the player controls Catto Boi. The entire goal is straightforward: navigate various levels, jump on enemies, and collect "Cat Biscuits" for a character named Big Boi. However, as the player progresses, subtle glitches begin to infect the game: the music distorts, background colors flicker, and NPC dialogue shifts from helpful advice to cryptic, unsettling warnings. A mysterious, shadowy figure known as ''Malice'' briefly appears in the background before vanishing, hinting that the game world is being closely watched. The platforming challenges soon become erratic as platforms unexpectedly disappear and the collected ''Cat Biscuits'' morph into static or corrupted data.


{{Quote|
Eventually, traditional gameplay breaks down entirely and fills down the screen with error messages. The gameplay pauses to display a mock-up of a computer desktop, forcing the player to interact with files in a simulated "game folder" to bypass obstacles; for example, they must delete a "fire.exe" file to extinguish a fire blocking Catto Boi’s path. In the final minutes, the cheerful music is replaced by an oppressive, low-frequency hum as Catto Boi confronts a distorted version of his world. Upon reaching the final goal, the screen is violently hijacked by Malice, who stares directly at the player before the game abruptly "crashes" to a [[screamer]] in a split second.
'''助けて
私たちはここに閉じ込められています。
検索するたびに
痛みを感じます。
どうか、ウェブを使わないでください。'''}}


The game then closes itself, ending with a credit screen thanking the player for experiencing the ''Google.exe'' trilogy.
==Journey to Catto Land==
<gallery mode="packed">
[[File:Metal door.png|thumb|left|200px|The metal door required to unlock the next stage.]]
Chrome OS.JPG|Opening menu of ''Chrome OS.exe''
[[File:Journey to Catto Land.png|thumb|400px|Gameplay snapshot of Journey to Catto Land.]]
Chrome OS 2.png|Gameplay Screenshot #1.
[[File:Journey to Catto Land 2.png|thumb|300px|The third stage of the ''Journey to Catto Land''.]]
Chrome OS 3.png|Gameplay Screenshot #2.
The game tasks the player with controlling Catto Boi during an 11 PM festival in the colorful "Catto Land". The player's objective is to complete simple platforming jumps and collect scattered Cat Biscuits for Big Boi before the midnight bus arrives, all while happily chatting with friendly NPC villagers like [https://catto-boi.fandom.com/wiki/Cheese Cheese], [https://catto-boi.fandom.com/wiki/Violet Violet], and [https://catto-boi.fandom.com/wiki/Bob Bob]. However, as Catto Boi leaves the festival and crosses a gate bridge, the atmosphere becomes suspiciously quiet. Forcing Catto Boi to turn back and re-enter the town shatters the cat's "fantasy" entirely; the town is completely destroyed, buildings have collapsed, and the upbeat music degrades into a loud, distorted nightmare. Horrifyingly, the previously friendly NPCs have been brutally murdered: ''Cheese'' is decapitated, and ''Violet'' is left hanging on a hook. Upon reaching the end of the ruined town, the game violently "crashes" to the desktop.
Chrome OS 4.png|Gameplay Screenshot #3.
</gallery>
==Google.exe 4: YouTube.exe==
[[File:YouTube gameplay 5.JPG|thumb|300px]]
The game begins with a fake [[wikipedia:G-Suite|G-Suite]] login screen, but trying to "log in" reveals that the game is actually a prank. A developer message confirms that ''Google.exe 4'' is not a real project, and a web browser automatically opens to show a "Keep Calm" prank image.


Following the prank, the focus shifts to the actual game, ''[[YouTube]].exe'', which is described in the lore as a "deleted secret" from the original Google.exe universe. It starts by warning the player about loud noises and "scary features" with "no way back," while a mysterious voice asks why they keep returning to risky, outdated programs instead of going outside or taking a vacation. Finally, the player is transported to a replica of the "Old YouTube" website from the early 2010s.
When the player relaunches the [[application]], Malice, the overarching, self-aware demonic villain breaks the fourth wall to directly address the player, vowing to relentlessly torture both them and Catto Boi. The player is forced to navigate a pitch-black forest that grows increasingly darker to find a hidden code (970) in a book that unlocks a metal door. Eventually, Malice attacks Catto Boi in the form of a bloody mosquito, triggering another fake crash. The horror then bleeds into reality as the game begins messing with the player's actual computer, opening a Notepad file and taking control of the mouse cursor to forcefully drag it across the screen.


When the player tries to click links or use the search bar, the interface glitches as a [[video]] titled "Watch this video until the end" plays automatically without any way to pause or stop it. The screen text flips upside down to mimic the famous "Username 666" [[creepypasta]], while the computer’s physical CD tray opens and the desktop flickers with scary, distorted imagery.
As the game repeatedly forces the player to reopen the app after constant crashes, Malice manipulates the code to make the player suffer through corrupted, glitchy versions of the first two games. While attempting to collect 20 pearls for a silent, eerie version of Big Boi, the player must endure sudden, [[screamers]] including a massive 3D head in a pitch-black void while the game window physically resizes and drags itself around their desktop.


The game reads the player's PC username out loud to deliver a final warning to "always update your stuffs" before ending with a special thanks to the player.
A friendly entity named ''[https://catto-boi.fandom.com/wiki/Minori Minori]'' briefly intervenes to help push back against Malice's control, guiding the player through a broken hub world with a black sky where they eventually discover Catto Boi's own dead body. Pushing the meta-narrative further, the game generates a real .txt file on the player's computer simply stating, "Keep going". Navigating a bizarre maze, the player must break brain-like boulders while evading a floating monster head, all while ''Malice'' berates them, claiming that Catto Boi is trapped in an endless loop of suffering and cannot be saved. After encountering a lifeless clone of himself at the end of the void, the player can achieve the game's "Good Ending". The screen cuts to white, and Catto Boi suddenly wakes up in his bed. He steps outside into a bright, restored ''Catto Town'', casually brushing off the horrific ordeal to Big Boi as just a "few nightmares" before cheerfully mentioning how excited he is to hang out with his friends.
<gallery mode="packed">
YouTubeexe.JPG|Opening menu of ''YouTube.exe''
YouTube 2.png|Gameplay Screenshot #1.
YouTube 3.png|Gameplay Screenshot #2.
YouTube 4.png|Gameplay Screenshot #3.
</gallery>
==Google.exe 5: Filename.exe==
[[File:Namefile gameplay 5.JPG|thumb|300px]]


The game begins with a fake "File Converter" program where the player must choose between "Open with File Converter" or "Open without File Converter", but trying to open it without the converter simply causes a fake crash. Clicking "Open with File Converter" first shows a "file corrupted" error, forcing the player to repeatedly click the button as the text distorts and loud static builds up until the program finally opens.
==The Quest for the Frozen Tuna==
The sequel follows Catto Boi as he wakes up in the Hub Area and is convinced by Big Boi to retrieve an ancient, wish-granting "Tuna Relic" hidden in some underground ruins. The player navigates a series of colorful, relatively normal levels such as Sakure Hills, Sunset Stride, and Jungle Jam before ascending the cobweb-filled, golden Ancient Shrine. However, upon reaching the final room, Catto Boi realizes he has been tricked into a dead end and suffers a visible breakdown just before the ceiling collapses, brutally crushing him to death with falling spikes and forcing a crash again to the desktop.


Once opened, the file reveals a red, corrupted Google Drive icon known in the game's story as "Filename", and launching this app shows the player’s real Windows username alongside a "Click Me" button.
When the player relaunches the game, Catto Boi wakes up in his bed experiencing a severe paranoia, actively remembering his gruesome death from the previous playthrough. Terrified, he desperately tries to interrupt Big Boi's exact repeated dialogue to change his fate, but the game violently crashes once again. Upon the next reboot, the facade is entirely gone; Malice fully asserts control, dropping the player into dark, aimless, heavily corrupted levels accompanied by distorted music. Blurring the line between software and reality, the game throws fake "genuine error" pop-up messages onto the player's actual computer screen to hinder their progress.  


The series' main villain, Tim Hairten, then speaks to the player to claim them as his newest "victim" trapped "in the palms of his hands" before triggering a fake "[[wikipedia:Blue Screen of Death|Blue Screen of Death]]" (BSOD) and a loud jump scare.
This part continued with an intense, intentionally unfair chase sequence where Malice manifests as a giant, terrifying hand hunting Catto Boi. The player must dodge spikes, bottomless pits, and damaging vines while the game employs massive fourth-wall breaks, violently shaking and throwing the application window around the computer desktop to break the player's focus. If caught, the game instantly hard-closes, forcing the player to restart the chase. Upon successfully escaping the hand, a furious Malice throws a tantrum, displaying the text: "''NO. NO. THIS WASN'T SUPPOSED TO HAPPEN''". Catto Boi survives the ordeal and becomes fully self-aware of the world he is trapped in.
==Requiem==
The game features an upbeat, retro platforming where Catto Boi collects diamond fragments to farm extra lives. However, upon collecting all the diamonds, the game prompts the player to press ''Ctrl + Alt + Del'' for a special reward, which instantly shatters the happy-go-lucky world. Malice welcomes the player back with the message: "Hello, ready to play again?". Catto Boi is violently impaled, and the game begins aggressively interacting with the player's actual PC, generating new text documents in the local files that the player must read and manipulate to proceed.


To unlock the final part of the game, the player must watch six "Unknown Blogs" that explain the history of the haunting:
The perspective then shifts to a character named Minori trapped in a pitch-black, isometric 3D maze. Here, it reveals that ''Violet'' a seemingly innocent NPC from earlier games is actually a malicious entity known as "Torment". To push past the entity's roadblocks, the player must constantly open and close the [[game]] [[application]] while dropping newly generated text files (such as an auto_executable file) into the game's actual code folder.


*'''Blogs 1 & 2''': Tim Hairten explains how his past struggles with depression and abuse led to his "[[wikipedia:suicide|death]]", after which his spirit met the evil voice from his head.
The meta-horror reaches its absolute peak when the game traps the player on a frozen, zoomed-in screen accompanied by a loud, accelerating heartbeat. The player is forced to scour their computer's hard drive to find a hidden text document often buried in folders like [[wikipedia:OneDrive|OneDrive]] which reveals a massive plot point: Big Boi’s code was exploited from the very beginning. Because the game's architecture was designed to let omnipresent entities use him as a vessel for full control, Big Boi was doomed from the start.
*'''Blog 3''': Tim describes entering the spirit world to be trapped inside Google, where he and other spirits "cursed" the headquarters and infected products like Hangouts, YouTube, and ChromeOS.
*'''Blog 4''': Tim reveals that the "Google Entity" search engine released in November 2016 made the company rich, but it was actually powered by "spirits of Hell".
*'''Blog 5''': A user searches for "Google.666" and a [[screamer]] appears before Tim physically pulls them into the computer.
*'''Blog 6''': The final blog shows the user was found dead, and even though the CEO tried to hide it, Tim returned as an "[[.exe]]" file to continue his terror.


After watching all the blogs, the player enters a creepy black-and-white train station where Tim says, "This won't hurt a bit," before looping the game back to the first File Converter screen. The player is now forced to click "Open without File Converter" to reveal an empty screen with a final message saying, "You walked into a trap... there's no escape," officially ending the series by trapping the player in a never-ending cycle as one of Tim's many victims.
Following this, the player is thrown into a desperate, bullet-hell boss fight playing as [https://catto-boi.fandom.com/wiki/Floaty_Boi Floaty Boi] dodging projectiles and shooting back. Despite successfully surviving the phases, the game throws an unfair curveball, displaying the text "Too slow" and triggering a bleak, unpreventable series of tragedies: Big Boi is permanently killed off, Violet is fully consumed by her identity as ''Torment'', and ''Minori'', realizing their efforts were pointless, ends her own life.
<gallery mode="packed">
Filename.png|Opening menu of ''Filename.exe''
Filename 2.png|Gameplay Screenshot #1.
Filename 3.png|Gameplay Screenshot #2.
Filename 4.png|Gameplay Screenshot #3.
</gallery>
==Google.exe: Redefined==
to be continued ggwp.


==Other versions==
The plot twist of the series is finally revealed. The entire franchise is an inescapable time loop. The characters are trapped in a computer, forced to suffer, die, and repeat the horrific events of all previous Catto Boi [[games]] for eternity. As the credits roll, footage of the older games plays to signify the loop resetting, leaving the player to realize they achieved the "Bad Ending" and must solve a deeper, hidden meta-puzzle to break the cycle and uncover the true secret ending.
===Google.exe 6: April Fools Edition===
==Links==
In this version, the player uses a fake Google search engine where normal searches trigger red glitches to show the program is watching them, and searching for cursed words like "Satan" starts the "666 Protocol" to make the background pitch black and the Google logo bleed. Interacting with these results triggers a loud jump scare with a distorted face and [[The Maze]] scream soundbite, right before a "special code" in [[wikipedia:GameMaker: Studio|GameMaker: Studio]] physically opens the computer's disc tray and tells the player to look behind them. Near the end, the game fakes a crash to show a creepy desktop full of rapid-fire error windows for extra suspense, and it finishes with a full-screen [[screamer]] that forces the app to close and returns the player to their real desktop.
===Download links===
==Trivia==
<u>NOTE</u>: The following [[games]] contain multiple [[screamers]]!
*According to RecordGuy626, it took exactly 100 updates to get the original 2016 game to its final, stable state.
*'''Steam collection, all games included.''': store.steampowered.com/app/3955550/Catto_Boi_Collection/
*It has been officially confirmed that Google.exe Redefined is the final reboot of the series. The developer stated they are completely done with the Google.exe storyline and are moving on to remaster an old film project called The Master War. (Source: 8th Anniversary Stream)
===Showcase videos===
*The soundtrack for ''Google.exe Redefined'' was entirely composed and sound-designed by a creator known as "Ledus the Unfortunate," who also helped design several of the game's updated graphics.
<u>NOTE</u>: The following [[videos]] contain multiple [[screamers]]!
*''Google.exe'' was inspired by another existing [[GameJolt]] game ''Internet Explorer.exe''.
*'''Adventures of Catto Boi''': youtube.com/watch?v=r6Vsvm9cU9s
*'''Catto Boi: Tedious Pearl Hunt''': youtube.com/watch?v=FVrV883CosM
*'''Catto Boi: Journey to Catto Land Walkthrough''' youtube.com/watch?v=4TC9wbGYoyA
*'''The Quest for the Frozen Tuna Walkthrough''': youtube.com/watch?v=ROWNFqpz4rU
*'''Catto Boi: Requiem''': youtube.com/watch?v=eP1BIwhdwdM
===Miscellaneous===
*'''Catto Boi Wiki''': catto-boi.fandom.com/wiki/Catto_Boi
*'''TV Tropes ver.''': tvtropes.org/pmwiki/pmwiki.php/VideoGame/CattoBoi
*'''Documentary, courtesy of ToadBup''': youtube.com/watch?v=MfCx9A3zQh4
==See Also==
*[[Google.exe]]

Latest revision as of 01:54, 7 March 2026

This article contains spoilers!
Please be advised that the following article contains spoilers for the screamer mentioned in the title or description. If you have not yet experienced the material and wish to avoid spoilers, we recommend that you proceed with caution or refrain from reading until you have done so.

The Catto Boi series is a collection of games created and uploaded to GameJolt around 2022. Built with GameMaker, the games feature chiptune music and pixel art to create a classic style similar to Super Mario Bros.

Plot

Artist rendition of Catto Boi.

The Catto Boi story begins as a simple 2D platformer where the main cat collects biscuits for his friend Big Boi. Everything switches and the player is antagonized by an evil demon named Malice who takes over the game. Reaching outside the screen, Malice tortures both Catto Boi and the player by ruining the game world and forcing the player to change real files on their own computer just to survive. As the nightmare gets worse and the characters realize they are trapped in a computer, the final game, Requiem, reveals a plot twist: the whole series is a time loop that never ends. Malice is actually a broken, crazy version of Catto Boi himself, which forces everyone to suffer and die over and over in this computer unless the player solves deeply hidden puzzles to finally break the cycle.

History

Created by Zimbabwean game developer and artist mango-ki, the Catto Boi series began as a simple submission for popular YouTuber Luigikid's ".EXE Creepypasta Challenge". However, due to the game's unexpected popularity, mango-ki continued developing sequels to expand upon its lore. Realizing the original, poorly-coded joke games no longer aligned with the mango-ki's vision, the creator made the bold decision to entirely reboot the series after a 2023 wipe, rebuilding it from the ground up using the GameMaker engine. On June 18, 2025, mango-ki officially retired from game development, stating that their final project, Catto Boi Forever, was exactly the game they had always wanted to make, allowing them to conclude the series on a deeply satisfying high note. Following this release, they deleted their YouTube channel to step away from the public eye. Eventually, the complete horror saga was bundled into the Catto Boi Collection and released on Steam on September 9, 2025.

The Adventures of Catto Boi

Gameplay snapshot of The Adventures of Catto Boi.

The game opens with a cheerful title screen, upbeat music, and a vibrant 2D world where the player controls Catto Boi. The entire goal is straightforward: navigate various levels, jump on enemies, and collect "Cat Biscuits" for a character named Big Boi. However, as the player progresses, subtle glitches begin to infect the game: the music distorts, background colors flicker, and NPC dialogue shifts from helpful advice to cryptic, unsettling warnings. A mysterious, shadowy figure known as Malice briefly appears in the background before vanishing, hinting that the game world is being closely watched. The platforming challenges soon become erratic as platforms unexpectedly disappear and the collected Cat Biscuits morph into static or corrupted data.

Eventually, traditional gameplay breaks down entirely and fills down the screen with error messages. The gameplay pauses to display a mock-up of a computer desktop, forcing the player to interact with files in a simulated "game folder" to bypass obstacles; for example, they must delete a "fire.exe" file to extinguish a fire blocking Catto Boi’s path. In the final minutes, the cheerful music is replaced by an oppressive, low-frequency hum as Catto Boi confronts a distorted version of his world. Upon reaching the final goal, the screen is violently hijacked by Malice, who stares directly at the player before the game abruptly "crashes" to a screamer in a split second.

Journey to Catto Land

The metal door required to unlock the next stage.
Gameplay snapshot of Journey to Catto Land.
The third stage of the Journey to Catto Land.

The game tasks the player with controlling Catto Boi during an 11 PM festival in the colorful "Catto Land". The player's objective is to complete simple platforming jumps and collect scattered Cat Biscuits for Big Boi before the midnight bus arrives, all while happily chatting with friendly NPC villagers like Cheese, Violet, and Bob. However, as Catto Boi leaves the festival and crosses a gate bridge, the atmosphere becomes suspiciously quiet. Forcing Catto Boi to turn back and re-enter the town shatters the cat's "fantasy" entirely; the town is completely destroyed, buildings have collapsed, and the upbeat music degrades into a loud, distorted nightmare. Horrifyingly, the previously friendly NPCs have been brutally murdered: Cheese is decapitated, and Violet is left hanging on a hook. Upon reaching the end of the ruined town, the game violently "crashes" to the desktop.

When the player relaunches the application, Malice, the overarching, self-aware demonic villain breaks the fourth wall to directly address the player, vowing to relentlessly torture both them and Catto Boi. The player is forced to navigate a pitch-black forest that grows increasingly darker to find a hidden code (970) in a book that unlocks a metal door. Eventually, Malice attacks Catto Boi in the form of a bloody mosquito, triggering another fake crash. The horror then bleeds into reality as the game begins messing with the player's actual computer, opening a Notepad file and taking control of the mouse cursor to forcefully drag it across the screen.

As the game repeatedly forces the player to reopen the app after constant crashes, Malice manipulates the code to make the player suffer through corrupted, glitchy versions of the first two games. While attempting to collect 20 pearls for a silent, eerie version of Big Boi, the player must endure sudden, screamers including a massive 3D head in a pitch-black void while the game window physically resizes and drags itself around their desktop.

A friendly entity named Minori briefly intervenes to help push back against Malice's control, guiding the player through a broken hub world with a black sky where they eventually discover Catto Boi's own dead body. Pushing the meta-narrative further, the game generates a real .txt file on the player's computer simply stating, "Keep going". Navigating a bizarre maze, the player must break brain-like boulders while evading a floating monster head, all while Malice berates them, claiming that Catto Boi is trapped in an endless loop of suffering and cannot be saved. After encountering a lifeless clone of himself at the end of the void, the player can achieve the game's "Good Ending". The screen cuts to white, and Catto Boi suddenly wakes up in his bed. He steps outside into a bright, restored Catto Town, casually brushing off the horrific ordeal to Big Boi as just a "few nightmares" before cheerfully mentioning how excited he is to hang out with his friends.

The Quest for the Frozen Tuna

The sequel follows Catto Boi as he wakes up in the Hub Area and is convinced by Big Boi to retrieve an ancient, wish-granting "Tuna Relic" hidden in some underground ruins. The player navigates a series of colorful, relatively normal levels such as Sakure Hills, Sunset Stride, and Jungle Jam before ascending the cobweb-filled, golden Ancient Shrine. However, upon reaching the final room, Catto Boi realizes he has been tricked into a dead end and suffers a visible breakdown just before the ceiling collapses, brutally crushing him to death with falling spikes and forcing a crash again to the desktop.

When the player relaunches the game, Catto Boi wakes up in his bed experiencing a severe paranoia, actively remembering his gruesome death from the previous playthrough. Terrified, he desperately tries to interrupt Big Boi's exact repeated dialogue to change his fate, but the game violently crashes once again. Upon the next reboot, the facade is entirely gone; Malice fully asserts control, dropping the player into dark, aimless, heavily corrupted levels accompanied by distorted music. Blurring the line between software and reality, the game throws fake "genuine error" pop-up messages onto the player's actual computer screen to hinder their progress.

This part continued with an intense, intentionally unfair chase sequence where Malice manifests as a giant, terrifying hand hunting Catto Boi. The player must dodge spikes, bottomless pits, and damaging vines while the game employs massive fourth-wall breaks, violently shaking and throwing the application window around the computer desktop to break the player's focus. If caught, the game instantly hard-closes, forcing the player to restart the chase. Upon successfully escaping the hand, a furious Malice throws a tantrum, displaying the text: "NO. NO. THIS WASN'T SUPPOSED TO HAPPEN". Catto Boi survives the ordeal and becomes fully self-aware of the world he is trapped in.

Requiem

The game features an upbeat, retro platforming where Catto Boi collects diamond fragments to farm extra lives. However, upon collecting all the diamonds, the game prompts the player to press Ctrl + Alt + Del for a special reward, which instantly shatters the happy-go-lucky world. Malice welcomes the player back with the message: "Hello, ready to play again?". Catto Boi is violently impaled, and the game begins aggressively interacting with the player's actual PC, generating new text documents in the local files that the player must read and manipulate to proceed.

The perspective then shifts to a character named Minori trapped in a pitch-black, isometric 3D maze. Here, it reveals that Violet a seemingly innocent NPC from earlier games is actually a malicious entity known as "Torment". To push past the entity's roadblocks, the player must constantly open and close the game application while dropping newly generated text files (such as an auto_executable file) into the game's actual code folder.

The meta-horror reaches its absolute peak when the game traps the player on a frozen, zoomed-in screen accompanied by a loud, accelerating heartbeat. The player is forced to scour their computer's hard drive to find a hidden text document often buried in folders like OneDrive which reveals a massive plot point: Big Boi’s code was exploited from the very beginning. Because the game's architecture was designed to let omnipresent entities use him as a vessel for full control, Big Boi was doomed from the start.

Following this, the player is thrown into a desperate, bullet-hell boss fight playing as Floaty Boi dodging projectiles and shooting back. Despite successfully surviving the phases, the game throws an unfair curveball, displaying the text "Too slow" and triggering a bleak, unpreventable series of tragedies: Big Boi is permanently killed off, Violet is fully consumed by her identity as Torment, and Minori, realizing their efforts were pointless, ends her own life.

The plot twist of the series is finally revealed. The entire franchise is an inescapable time loop. The characters are trapped in a computer, forced to suffer, die, and repeat the horrific events of all previous Catto Boi games for eternity. As the credits roll, footage of the older games plays to signify the loop resetting, leaving the player to realize they achieved the "Bad Ending" and must solve a deeper, hidden meta-puzzle to break the cycle and uncover the true secret ending.

Links

Download links

NOTE: The following games contain multiple screamers!

  • Steam collection, all games included.: store.steampowered.com/app/3955550/Catto_Boi_Collection/

Showcase videos

NOTE: The following videos contain multiple screamers!

  • Adventures of Catto Boi: youtube.com/watch?v=r6Vsvm9cU9s
  • Catto Boi: Tedious Pearl Hunt: youtube.com/watch?v=FVrV883CosM
  • Catto Boi: Journey to Catto Land Walkthrough youtube.com/watch?v=4TC9wbGYoyA
  • The Quest for the Frozen Tuna Walkthrough: youtube.com/watch?v=ROWNFqpz4rU
  • Catto Boi: Requiem: youtube.com/watch?v=eP1BIwhdwdM

Miscellaneous

  • Catto Boi Wiki: catto-boi.fandom.com/wiki/Catto_Boi
  • TV Tropes ver.: tvtropes.org/pmwiki/pmwiki.php/VideoGame/CattoBoi
  • Documentary, courtesy of ToadBup: youtube.com/watch?v=MfCx9A3zQh4

See Also