New co-op games on Steam

Updated September 25, 2026

Freshly released and upcoming co-op games on Steam, filtered to titles that carry a genuine cooperative Steam category — Online Co-op, LAN Co-op, or Shared/Split Screen Co-op. Bare Multi-player tags are excluded; every pick here is something you can actually play with someone, not just against them. Established picks have already cleared 50+ positive reviews so you know they deliver on the co-op promise. Upcoming lists announced co-op titles not yet playable — wishlist material for release day. imho.run polls the Steam store hourly, so new launches surface quickly. Currently tracking 30 established co-op releases in this window.