Halo: ODST And Halo: Reach At E3
The Halo universe was ripe with news at the Microsoft press conference from E3, detailing Halo ODST and announcing Halo: Reach at the same time. ODST is an expansion on the first Halo trilogy, only this time we're playing as ODST (Halo's version of Special Forces) Marines. While the whole compaign in ODST is co-op, an addition co-op mode called "Firefight" was announced, which is Halo's version of Gears of War 2's Horde Mode.