Recommended games:
MegaMan Project X
You all know this one, now you can play this excellent platform game online!
Lucky Ladybug
Guide the ladybug to the end with as few clicks and as little time as possible to set a high score
Klax 3D
Catch the different colored tiles dropping off a perpetually running conveyor belt and stack them up
Mastermind
Play the classic game of Mastermind as you try to figure out what color combination you have to use