Oh god. Inb4I forget something huge.
And an order? Oh man...
10. Halo 4
9. DE Human Revolution
8. Super Meat Boy
7. Rayman Origins
6. Ms. 'Splosion Man
5. The Orange Box
4. Skyrim
3. Assassin's Creed II
2. BioShock
1. Halo 3
Oh god, and I left out RDR, Braid, Gears 3, Portal 2 and I bet a ton of other things too. Goddamnit, Brute.