Demons Souls!!!
MGS 4 or the MGS Collection with all of the games
also if you like japanese games you should try some of this ones
- Tales of Graces F, Symphonia Collection, Xillia 1, 2 and Zestiria
- Disgaea 3, 4 and or D2
- Yakuza 4 and 5 (which is coming out this year)
- Valkyria Chronicles
- Guilty Gear Xrd
- Dragons Crown
- Nino Kuni
(there are much more of course so feel free to do some searching, you might find something you really like)