Playable hunters in halo 3 odst! coop is possible on the original odst build.
Halo 3: Campaign Co-op Deluxe Boxed Set (4 Figures) collectable collectible odst master chief action figure | Home Bargains
How to play the Halo Infinite co-op campaign - Dexerto
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
Halo 3: ODST Destroys Killzone 2
Halo 5's campaign stars multiple Spartans, and one ODST, in both single-player and co-op - Polygon
Co-Optimus - News - Halo 3: ODST Designed for Co-Op Since Day 1
Co-Optimus - Video - Halo 3: ODST Video Blowout
Halo 3 and ODST receive "experimental" cross-platform co-op in Master Chief Collection - Gamepur