A list of games, that can be completed

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The thing is,it's not just about settings...some games work better with certain rev,other work fine on any rev.
Someone may be able to play certain game because he have powerful pc(you said Gow CoO works like a charm for you but I need to change a lot of settings to make it playable)

There is a thread that may be useful to you
http://forums.ppsspp.org/showthread.php?tid=6166

Those are all of the games I cleared using the pc below

Agarest Senki Mariage
Brave Story New Traveler
Crimson Gem Saga
Crisis Core
Final Fantasy 3
God Of War - Chains of Olympus
God Of War 2 - Ghost Of Sparta
Gods Eater Burst
Hack Link
Hexyz Force
Key of Heaven
Kingdom Hearts Birth By Sleep Final Mix
Legend of Heroes Trails in the Sky
Lunar Silver Star Harmony
Mana Khemia Student Alliance
Mimana Iyar Chronicle
Monster Kingdom Jewel Summoner
Persona 3
Phantasy Star
Phantasy Star 2
Sol Trigger
Star Ocean First Departure
Star Ocean Second Evolution
Twin Braves
Ys Seven
Ys The Oath In Felghana