Halo 3: ODST
Halo 3: ODST: co-op for up to 4 players, on PC, X360 and XONE, came out 22 September 2009.
Want to play Halo 3: ODST with friends?
Pick a night together in Lobbli: everyone marks when they are free, and you see which evening works.
Playing it together
Co-op Firefight for up to 4 friends; no versus multiplayer.
Pros
- Firefight waves are fun to fight through together
Cons
- No versus mode, so group play is Firefight only
Lobbli's AI summary of 5 Steam reviews about playing together, November 2026. It can get things wrong.Read them on Steam
Quick answers
From its Steam page: co-op, online play, player count.
Is Halo 3: ODST co-op?
Yes, Halo 3: ODST has a co-op mode.
How many players?
Up to 4 players.
Split screen?
No split screen mode is listed for it.
When did it come out?
22 September 2009.
Which platforms?
PC, X360 and XONE.
Can you play it online?
Yes, according to its Steam page.
What kind of game is it?
Shooter
Who makes it?
Bungie
About Halo 3: ODST
Halo 3: ODST is a first-person shooter set in New Mombasa during the Covenant invasion. The campaign follows the Rookie, an Orbital Drop Shock Trooper, as he searches the city and reconstructs the events that separated his squad. The game includes the complete Halo 3 multiplayer map collection, with three additional maps, and introduces Firefight, a cooperative mode in which players face waves of Covenant enemies.