Question: what is the difference between halo 3 and odst?
Answer: Halo 3: ODST ships as a two-disc set. The first disc contains the campaign mode as well as the Firefight co-op mode, while the second disc contains the multiplayer mode with the complete set of Halo 3 maps. ... A special edition "Collector's Pack" contained the game and a special ODST-branded wireless Xbox 360 Controller.