Zombie Island was a good time, just beat it. The glitches are funny, the story is lame, but the game play is lots of fun. Build weapons: kill zombies with them, what's not to love? Add in 4 person Co-Op & it's nothing but fun. Guns are only "really" effective against humans while you have to melee, slice, & stab the zombies. The graphics, while good, aren't great. However, the sound is really effective. When you enter a new area, by listening you can usually tell if there're zombies around & what type they are (Walkers: Think Romero Zombies, Infected: Think 28 Days later, etc.). What the sound won't tell you, however, is if that body lying on the ground is gonna get up & try & eat you. The Island itself is huge, so there's lots & lots to explore.
Other than that, Ogame (Io Server) & the new Fallout: New Vegas DLC. The only game I'm looking forward to coming up would be Bioshock: Infinite.
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"The Rich are there to take all of the money & pay none of the taxes, the middle class is there to do all the work and pay all the taxes, and the poor are there to scare the crap out of the middle class." -George Carlin