Portal - Funny, User friendly and mostly tutorial
Any Pokemon - The levelling up of pokemon can be quite rewarding
Call Of Duty 4 - Really god-dam easy and helps to learn First Person Shooters to move onto things like Deus Ex, Half Life or Bioshock
Super Mario Bros 3 - My favourite 2D...
Mount and Blade: Warband
Grand Theft Auto Complete Pack
Deus Ex (Finally gonna play this game)
Fallout (Finally gonna play this game)
The Bully (Finally gonna play this game)
Monday Night Combat
Darkest of Days...
I've actually been lucky as hell. A free copy of Renegade Ops, Arkham Asylum and Day of Defeat: Source. 75% off Valve (which I'll probably spend on Counter Strike: Source which I haven't got even yet) and 66% off Rockstar (Episodes of Liberty City here I come)
I got DEFCON on the Introversion bundle. My first game I got into it and started having a chat assuming everyone was nice. Then I nuked a guy playing as Asia, my first clue to his nature should have been that he was named "Skullfuker". He then sent me insults through message. Then after a while...