From siliconera.com (http://www.siliconera.com/2008/09/09...ar-2-overture/ ):
* How come Guilty Gear 2is an Xbox 360 exclusive? This game looks like it could be a PlayStation 3 title too.* Daisuke Ishiwatari: It was easier for a small-and-mid-sized developer like us to develop a game for XBOX360 than PS3. Also, since the main feature of the game is the network battle, XBOX 360 with organized network infrastructure was considered more suitable for the game.This GG2 was the first title that we took the overseas development into consideration and since Xbox 360 had been widely used especially in the U.S., we wanted to challenge the system.
Full Story: siliconera.com (http://www.siliconera.com/2008/09/09...ar-2-overture/ )
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