4-Players PC Couch Co-op Shoot'em Up - 1.0 - Release Announcements

The 25 best co-op games on PC

4-Player Co-op Glitch, Halo Alpha

Gotham Knights Leak May Hint at 4-Player Co-Op

Halo Infinite's upcoming Winter Update to add 4-player campaign co-op & Forge beta

Streets of Rage 4 Online Co-Op 3 and 4-player lobby support? - GameRevolution

Era: Survival Colony - A co-op card game for 1-4 players by Shades of Vengeance — Kickstarter

Watch 4 Player Co-op In Action In DEAD RISING 4 — GameTyrant

Petition · 4 Player Co-Op Campaigns in Total War: Warhammer ·

Gotham Knights co-op is “2-player campaign” but may have modes

Team up with friends to slay hordes of aliens in the 4-player co-op top-down shooter Killsquad — Analog Stick Gaming