Halo MCC April 11 Update Deployed for Cross-Platform Co-Op for Halo 3 & More
Playable hunters in halo 3 odst! coop is possible on the original odst build.
Let's Play Halo 3: ODST Co-op Part 1 - Prepare to Drop
Halo: MCC - ODST | 4 Player Co-Op
Halo: The Master Chief Collection Local Splitscreen on PC. : r/localmultiplayergames
Halo 3: ODST's Co-op Firefight Mode is Coming to The Master Chief Collection This Summer
Halo 5's campaign stars multiple Spartans, and one ODST, in both single-player and co-op - Polygon
Halo on X: "Flood Firefight. Halo 3 and ODST co-op crossplay. Full custom game browser support. And, that's just for starters. The latest update for Halo: The Master Chief Collection has officially