Looks like Yellow has 3 lives. He’d better not waste those.

It strikes me that those hills/bushes/whatever in the background are the wrong color. I guess Yellow’s just been playing too many video games and forgot what reality actually looks like. Though perhaps it is more likely a fantasy of Green’s, more experienced with computers and computer games. He imagines that Yellow’s torment is for a simple thing like gaining points instead of the horrible truth that he does it just for fun.