When the last block is red the next one can be cyan , blue or red. But I never see him fall cyan but purple, maybe just an error copy and paste and you don't change something. But else, its a good game who need a little bit more challenge because after 75 fall I was bored.
 "007 Colorex"){kind=icon}
 "Pixel Walk"){kind=icon}
 "cool game 3"){kind=icon}