Are You Colourblind?

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Are You Colourblind? was a flash screamer created and hosted by dragonsplace.co.uk in 2002.

It pretends to be a colorblind test; the instructions in the game are to type what numbers you've seen within the colored circles; the game also informs them that their score will be dependent on how correct they're guessing numbers; and the gameplay begins when they press the "begin" button.

However, after completing three levels and pressing the "enter" button on the third question, a flashing image of an eye with extreme conjunctivitis appears, along with a chaotic scream and an electric shock sound effect, with the occasional flash of an inverted closeup of an eyeball. For one second, the text "YOU ARE COLOURBLIND" flashes. The screen then switches to the credits, where the words "YOU LOSER!!!!!!!!!!!"'' appear.

Link
NOTE : The following video contains a screamer with flashing lights!
 * web.archive.org/web/20081231054322/dragonsplace.co.uk/flash/colourblind.html