Halo 3: ODST
Halo 3: ODST was essentially an expansion pack for Halo 3. It featured many of the same multiplayer elements, but included a new co-operative mode. There was also a new single player campaign.
Halo 3: ODST was essentially an expansion pack for Halo 3. It featured many of the same multiplayer elements, but included a new co-operative mode. There was also a new single player campaign.
