38 co-op horde shooter games on Steam with co-op or multiplayer, ranked by how many people are playing right now and how well they review. Part of Shooter.
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| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| HELLDIVERS™ 2 | Co-op | Co-op horde shooter | 76% | 53,399 | $39.99 |
| Left 4 Dead 2 | Co-op, PvP | Co-op horde shooter | 98% | 25,122 | $9.99 |
| Warhammer 40,000: Darktide | Co-op | Co-op horde shooter | 71% | 7,267 | $9.99 |
| Warhammer 40,000: Space Marine 2 | Co-op, PvP | Co-op horde shooter | 83% | 6,851 | $14.99 |
| Deep Rock Galactic | Co-op, Single-player too | Co-op horde shooter | 97% | 5,216 | $29.99 |
| Call of Duty®: Black Ops III | Co-op, Local / split-screen | Co-op horde shooter | 84% | 5,414 | $14.99 |
| Killing Floor 2 | Co-op, PvP | Co-op horde shooter | 88% | 4,508 | $2.99 |
| World War Z | Co-op, PvP | Co-op horde shooter | 83% | 1,663 | $29.99 |
| Back 4 Blood | Co-op, PvP | Co-op horde shooter | 68% | 1,288 | $59.99 |
| Deadzone: Rogue | Co-op, Single-player too | Co-op horde shooter | 83% | 1,261 | $12.49 |
| Left 4 Dead | Co-op, Single-player too | Co-op horde shooter | 96% | 774 | $9.99 |
| Resident Evil 5 | Co-op, Single-player too | Co-op horde shooter | 87% | 566 | $19.99 |
| Resident Evil 6 | Co-op, Local / split-screen | Co-op horde shooter | 79% | 515 | $19.99 |
| Call of Duty®: Black Ops Cold War | Co-op, PvP | Co-op horde shooter | 80% | 644 | $14.99 |
| Call of Duty®: Black Ops | Co-op, Single-player too | Co-op horde shooter | 91% | 527 | $19.99 |
| Call of Duty: World at War | Co-op, Single-player too | Co-op horde shooter | 92% | 433 | $14.99 |
| Counter-Strike Nexon | Co-op, Single-player too | Co-op horde shooter | 66% | 369 | Free |
| Killing Floor | Co-op, Single-player too | Co-op horde shooter | 95% | 224 | $19.99 |
| Roboquest | Co-op, Single-player too | Co-op horde shooter | 95% | 429 | $24.99 |
| Call of Duty®: WWII | Co-op, PvP | Co-op horde shooter | 69% | 298 | $14.99 |
| Zombie Army 4: Dead War | Co-op, Single-player too | Co-op horde shooter | 86% | 431 | $49.99 |
| Aliens: Fireteam Elite | Co-op, Single-player too | Co-op horde shooter | 80% | 281 | $5.99 |
| Risk of Rain Returns | Co-op, Local / split-screen | Co-op horde shooter | 90% | 220 | $14.99 |
| Call of Duty®: Black Ops III | Co-op, Local / split-screen | Co-op horde shooter | 63% | — | $14.99 |
| Pavlov | Co-op, PvP | Co-op horde shooter | 90% | 107 | $24.99 |
| Call of Duty®: Black Ops | Co-op, Single-player too | Co-op horde shooter | 88% | 213 | $19.99 |
| Alien Swarm: Reactive Drop | Co-op, PvP | Co-op horde shooter | 95% | 179 | Free |
| Serious Sam 3: BFE | Co-op, PvP | Co-op horde shooter | 88% | 105 | $2.99 |
| Plants vs. Zombies: Battle for Neighborville™ | PvP, Single-player too | Co-op horde shooter | 71% | 108 | $29.99 |
| Call of Duty®: WWII | Co-op, PvP | Co-op horde shooter | 57% | 75 | $14.99 |
| Aliens vs. Predator™ | Co-op, Single-player too | Co-op horde shooter | 91% | 49 | $14.99 |
| Survive the Nights | Co-op, PvP | Co-op horde shooter | 66% | 115 | $4.99 |
| Alien Swarm | Co-op, Single-player too | Co-op horde shooter | 95% | 23 | Free |
| Codename CURE | Co-op, Single-player too | Co-op horde shooter | 85% | 12 | Free |
| Aliens: Colonial Marines Collection | Co-op, Single-player too | Co-op horde shooter | 61% | 13 | $29.99 |
| Tom Clancy’s Rainbow Six® Extraction | Co-op, Single-player too | Co-op horde shooter | 66% | 26 | $39.99 |
| FBC: Firebreak | Co-op | Co-op horde shooter | — | — | $9.99 |
| Abyssus | Co-op, Single-player too | Co-op horde shooter | — | — | $24.99 |
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.