I can assure you, XIII works fine (you might have known it...), and also Mortal Kombat Armageddon goes to the lobby but due to my slow PC, i cant play. Hope it helps!
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Dremuchij South is the beginning of two great things:
Metal Gear Solid 3 and
the emulation of Metal Gear Solid 3 on PCSX2
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CPU: Intel C2D e8400 @ 3GHz
GFX: ATi-Club3D 4870x2
RAM: A-Data Overclock Esition 800+ RAM