- 505 Games
- Activision
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- CI Games S.A.
- COKeM
- CRESCENT
- DEEP SILVER
- Electronic Arts
- Game Mill
- GameMill
- Gearbox Publishing
- GS2 Games
- GungHo Online Entertainment, Inc.
- IDEA FACTORY
- Jack of All Games
- Kalyps
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- KOEI TECMO
- KONAMI
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- Maximum Gaming
- Merge Games
- Microids
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- Square Enix
- TAKE 2
- Take 2 Interactive
- Techland
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- U&I Ent
- U&I Entertainment
- Ubisoft
- Vivendi
- Warner Bros
- Warner Bros Games
- Warner Bros.
- Xbox
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- XSEED Games