Price: 1200 Microsoft Points
Availability: All Xbox LIVE regions
Dash Text: [ESRB: T (TEEN) BLOOD, MILD VIOLENCE] 5.1 Surround Sound, HD (High Definition). Winner of over 30 ‘Game of the Year’ awards, ‘Portal’ now comes to the Xbox LIVE Arcade! As unwilling test subjects in a sinister laboratory, players must break the laws of physics using ‘portal’ technology to solve puzzles and survive. Unlock the full game to experience the complete singleplayer story, gain access to all 14 new bonus maps, and get a glimpse behind the scenes with developer commentary! This game requires the Xbox 360 hard drive.(Major Nelson)
If you missed this in the orange box or just want to play it for the 14 new maps make sure to check it out as its a really great game.