I got this off macupdate the other day, it was...kind of fun, I was able to waste some time with it though and it was fun to play around with
gish
also,
Quinn is a nice game of tetris, that I can never get enough of, I love tetris.
I had a good time playing this game
Elasticity it's a puzzle game, fairly straight forward, but still entertaining.
of course
Emulation is always fun