borderlands 2
mass effect 2
mass effect 3
dark souls
demon's souls
Oblivion (skyrim worth mentionining)
uncharted 3
tomb raider
saints row 4
portal 2
In no particular order.
Edit: actually I prefer Oblivion over skyrim.
Intel core i7 930 OC @ 4.0 ghz
XFX Double dissipation Radeon HD 7950 356 bit 3gb GDDR5 OC @ 1150 MHz core + 1575 x 4 memory
Triple channel DDR 3 12gb RAM 1600 MHz