I lost my writeups for this year - apologies.
 
10. Ghost Trick (DS)
9. Mortal Kombat (360/PS3)
8. To The Moon (PC)
7.  The Binding of Isaac (PC)
6. Half-Minute Hero: Super Mega Neo Climax (XBLA)
5. Insanely Twisted Shadow Planet (XBLA)
4. Batman: Arkham City (360/PS3/PC)
3. Tactics Ogre: Let Us Cling Together (PSP)
2. Outland (PS3/360)
1. Xenoblade (Wii)