Specimen, an iOS game that proves you can't see colors as well as you thought ...

CAITLYN McGARRY, MACWORLD:

"Specimen uses art and science to challenge your eyesight—and it's set to a funky groove.

"Specimen is a deceptively simple, utterly frustrating iOS game that you will struggle to defeat. You will probably lose, and it’s all thanks to your terrible vision."

Up for a challenge? Learn more about this game. Here.