"This is a list of gaming franchises which were once exclusive to Sony, but now have gone either multiplatform or just switched platforms.
Final Fantasy (Main series) - FFXIII, X360
Dragon Quest (Main series) - DQIX, Nintendo DS
Kingdom Hearts - KH: 358/2 Days, Nintendo DS Thanks Soriku
Devil May Cry - DMC4, X360
Star Ocean - SO4, X360
GTA timed exclusivity - GTA4 (exclusive DLC), X360; GTA: ChinaTown Wars, Nintendo DS
Fatal Frame - FF4, Wii (The 3rd one was PS2 exclusive)
Ace combat - Ace Combat 6, X360
Okami - Okami, Wii
Tenchu (Main series) - Tenchu 4, Wii
Romance of the three kingdoms - RotTK XI, Wii
Monster Hunter - MH3, Wii
Katamari - Beautiful Katamari, X360
Taiko Drum Master - Taiko drum Master DS, Nintendo DS
Guitar Hero - GH2, X360; GH3, Wii and X360; GH:OT, Nintendo DS
Valkyrie Profile - VP: The accused one, Nintendo DS
Disgaea - Disgaea DS, Nintendo DS
Ys - Ys DS, Nintendo DS
Virtua Fighter - VF5, X360 Thanks PIMP
Bladestorm - Bladestorm: THYW, X360 Thanks PIMP
Sengoku Basara - Sengoku Basara 2 Heroes, Wii
WWE Smackdown - WWE SmackDown vs. Raw 2009, Nintendo DS, Wii and X360 Thanks PIMP
Bully - Bully: Schollarship Edition, Wii and X360 Thanks flagstaad
Mercenaries 2 - Mercenaries 2, X360 Thanks PIMP
Fatal Inertia - Fatal Inertia, X360 Thanks PIMP
Assassin's Creed - Assassin's Creed, X360 Thanks PIMP
Armored Core - Armored Core 4, X360 Thanks PIMP
Ridge Racer - Ridge Racer 6, X360; Ridge Racer DS, Nintendo DS Thanks PIMP
Virtua Tennis - Virtua Tennis 3, X360 Thanks PIMP
Unreal Tournament 3 - UT3, X360 Thanks PIMP
Dinasty Warriors 6 - DW6, X360
Dinasty Warriors: Gundam - DW:G, X360
Front Mission - Front Mission, Nintendo DS Thanks ClaudeLv250 "