# Alien Swarm

> Co-operative multiplayer game and complete code base available for free.

## Game facts

- Developer: Valve
- Publisher: Valve
- Release status: Released
- Release date: Jul 20, 2010
- Region for this schedule: GLOBAL
- Platforms: PC and MOBILE
- Genres: Action, Game
- Steam Deck: Playable (Steam, checked Nov 4, 2026: https://store.steampowered.com/app/630/)
- Playtime: Main story 2 hr, Main + some extras 3.9 hr, 100% completion 4 hr (IGDB, checked Nov 4, 2026: https://www.igdb.com/games/alien-swarm)
- Languages: Interface: American English (IGDB, checked Nov 4, 2026: https://www.igdb.com/games/alien-swarm)

## AI Review Analysis

Analyzed Oct 5, 2026

### Strengths

- High level of fun and polish despite being free
- Enjoyable cooperative PvE and team play with friends
- Satisfying combat involving killing large numbers of aliens or surviving against them

### Weaknesses

- The small online multiplayer population leaves matchmaking and the community effectively inactive
- Some players find the controls sluggish or movement and firing uncomfortable
- Full-screen advertisements shown after each level disrupt the flow of the game

## Links

- [Alien Swarm on WAME](https://www.wame.is/game/6501)
- [Player reviews](https://www.wame.is/game/6501/reviews)

Updated: 2026-11-10T00:16:23.173Z