Alien Swarm sales estimate

Alien Swarm is an action game by Valve, released on Steam on July 19, 2010 as a free game. It has 21,665 Steam reviews (Very Positive, 94% positive). Markan estimates it has between 867k and 2.2M players on Steam.

Estimated lifetime sales and revenue

	Low	Medium	High
Players	866,600	1,516,550	2,166,500

Steam doesn't publish sales. These estimates multiply the number of reviews by a factor that depends on the release year (the Boxleiter method). Net revenue is what's left of list price × sales after refunds, regional pricing, discounts, sales tax and Steam's 30% cut, before any publisher's share. Treat them as a ballpark for comparing games, not as reported figures.

Steam facts

Developer	Valve
Publisher	Valve
Release date	July 19, 2010
Price	Free
Reviews	21,665 · Very Positive · 94% positive
Genres	Action, Free To Play
Platforms	Windows
Links	Steam store page · Website

ActionAdventureAliensClass-BasedCo-opFree to PlayModdableMultiplayerOnline Co-OpPvESci-fiShooterSingleplayerStrategySurvivalTeam-BasedThird PersonThird-Person ShooterTop-DownTop-Down Shooter

Co-operative multiplayer game and complete code base available for free.From the Steam store page

Games like Alien Swarm

Steam games that share the most distinctive tags with Alien Swarm, with their own sales estimates.

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Steam IDs: 630, 563560, 225840, 756600, 377300, 1250, 1283700, 3649730

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Data from Steam, last updated by Markan on 2026-11-11.