HomeAlien Swarm
Alien Swarm
Valve · released Jul 19, 2010 · free · data updated Oct 24, 2026
by Valve
Co-operative multiplayer game and complete code base available for free.
Released Jul 19, 2010 · Free to play
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Very Positive · 94% positive of 21,649 Steam reviews | Oct 23, 2026 |
| Followers on Steam | No followers data for this game yet | |
| Regular US price | Free | Oct 20, 2026 |
New Steam reviews per month
| Month | New positive | New negative |
|---|---|---|
| Nov 2025 | 36 | 3 |
| Dec 2025 | 36 | 6 |
| Jan 2026 | 39 | 4 |
| Feb 2026 | 31 | 4 |
| Mar 2026 | 44 | 1 |
| Apr 2026 | 41 | 4 |
| May 2026 | 31 | 0 |
| Jun 2026 | 32 | 7 |
| Jul 2026 | 42 | 5 |
| Aug 2026 | 31 | 7 |
| Sep 2026 | 42 | 2 |
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Class-Based | 1 in 82 games |
| Aliens | 1 in 43 games |
| Top-Down Shooter | 1 in 32 games |
| Online Co-Op | 1 in 18 games |
| Co-op | 1 in 15 games |
| Survival | 1 in 13 games |
| Free to Play | 1 in 12 games |
| PvE | 1 in 11 games |
Games like Alien Swarm
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| Worm.is: The Game | Freakinware Studios | 82% | Very Positive · 4,731 |
| ONRAID | Pragmatix Ltd | 83% | Mostly Positive · 1,767 |
| SYNTHETIK: Arena | Flow Fire Games | 82% | Very Positive · 2,322 |
| SCP: Secret Laboratory | Northwood Studios | 72% | Very Positive · 235,511 |
| BLOCKPOST LEGACY | Skullcap Studios | 74% | Mostly Positive · 16,419 |
| Strange Creatures | Cat & Fiddle Games Team | 82% | Mostly Positive · 175 |
| Quintet | Carmine T. Guida | 83% | Mostly Positive · 357 |
| Soldat | Transhuman Design, Soldat Team | 79% | Very Positive · 1,792 |