Here`s a list taken from Lik Sang:
Xbox 360 Region-Free games list
Here is a list with confirmed games that are region free or that work on systems with other regions.
Working on Xbox 360 systems of all origins:
Call of Duty 2 US
Condemned: Criminal Origins US
Gun US
Quake 4 US
Tony Hawks : American Wasteland US
Working on Xbox 360 PAL:
Dead or Alive 4 US (Console needs to be set to 60Hz or HDTV otherwise controllers won`t work)
Ridge Racer 6 US (doesn`t matter if 50Hz or 60Hz)
Japanese Games with English voice/text/menu support:
Ridge Racer 6 (complete english, not region-free)
Perfect Dark Zero (complete english, not region-free)
Project Gotham Racing 3 (complete english, not region-free, confirmed by Bizarre)
Dead or Alive 4 (complete english, not region-free)
King Kong (complete english, not region-free)
Kameo (complete english, not region-free, confirmed by Rare)
"Six bucks and my right nut say we`re not landing in Chicago..."
