Released Oct 25, 2013 $9.99 Mostly Positive Counts toward your Steam games

Contagion

By Monochrome, Inc

Zombies Co-op Post-apocalyptic Horror FPS Level Editor Moddable PvE First-PersonPvPSurvival HorrorShooter

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Followers —

Reviews 10,046 Mostly Positive

Players yesterday 27 at the busiest moment

Owners 1M–2M estimated

Contagion is a game tagged Zombies, Co-op and Post-apocalyptic by Monochrome, Inc, released Oct 25, 2013. It has 10,046 Steam reviews (Mostly Positive). It has an estimated 1M–2M owners on Steam. The Steam games most like it include Zombie City Together, Limsod and No More Room in Hell 2.

Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

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<a href="https://launchrivals.com/games/238430-contagion"><img src="https://launchrivals.com/games/238430/badge.png" alt="Contagion launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/238430-contagion"><img src="https://launchrivals.com/games/238430/badge.png?theme=light" alt="Contagion launch date" width="320" height="84"></a>

Zombie City Together 72% match · Zombies, Co-op, Post-apocalyptic
Limsod 72% match · Zombies, Post-apocalyptic, Horror
No More Room in Hell 2 69% match · Zombies, Co-op, Horror
Left 4 Dead 69% match · Zombies, Co-op, Post-apocalyptic
Stay Home 68% match · Zombies, Co-op, Post-apocalyptic
Invention 3 68% match · Zombies, Post-apocalyptic, Horror
Undead Showdown 68% match · Zombies, Co-op, Post-apocalyptic
Left 4 Dead 2 68% match · Zombies, Co-op, Post-apocalyptic
Abandoned Below 68% match · Zombies, Co-op, Horror
Isolation 67% match · Zombies, Post-apocalyptic, Horror

Steam data

Everything Steam lists for Contagion · record updated 14 hours ago

Steam store

Overview

App ID238430

Release dateOct 25, 2013Early Access Jan 1, 1970

Last change number40198259

Last record update14 hours ago

App type: Game
Developer: Monochrome, Inc
Publisher: Monochrome, Inc
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Technologies: Source detected
Metacritic: 62
Website: contagion-game.com
Links: Twitch

Language	Interface	Full audio	Subtitles
English	Yes	Yes	Yes
Simplified Chinese	Yes		Yes
Traditional Chinese	Yes		Yes
Portuguese - Brazil	Yes		Yes
Korean	Yes		Yes
Turkish	Yes		Yes
Italian	Yes		Yes
Russian	Yes		Yes

All 11 languages

Language	Interface	Subtitles
Japanese	Yes	Yes
Ukrainian	Yes	Yes
Spanish - Spain	Yes	Yes

Windows

Steam Deck: Verified
Controller: Partial support

Single-playerMulti-playerPvPOnline PvPCo-opOnline co-opSteam AchievementsSteam Trading CardsCaptions availableSteam WorkshopSteam CloudStatsSteam LeaderboardsIncludes level editorFamily SharingPartial controller support

Prices

Price · US$9.99

On sale0 of 41regions right now

Lowest seen · US$9.99Oct 26, 2026

Checked21 hours agoin 41 regions

TaiwanNT$TWD

Every price change is kept from Oct 26, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
21184695	2025-build	Feb 21, 2026
21184695	public	Dec 14, 2025
21184695	upcoming	Dec 14, 2025
18037796	old-engine	Jul 28, 2025
4579686	2013-build	Jan 17, 2020
4579547	2014-build	Jan 17, 2020
1402284	2016-build	Dec 30, 2019

Packages & DLC

ID	Name	Games	Price (US)
33498	Contagion	1	$9.99
88738	Contagion + Soundtrack	1	$10.99
33953	Contagion 4-Pack	1	$29.99
34942 Bundle	Monochrome Inc Studio Pack	3	$20.95

ID	Name	Price (US)
2733030	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
228985	— shared from 228980	Windows	—	—	—
228989	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
238431	—	All	147.5 MB	59.7 MB	490159264099793629
238432	—	All	15.50 GB	4.60 GB	9153436422985311517
2733030	— DLC 2733030	All	300.2 MB	281.7 MB	4448884372860925412

Branch	Build	Updated	Access
public	21184695	Dec 14, 2025	Open
2025-build MonoEngine 0.1	21184695	Feb 21, 2026	Open
upcoming Upcoming Build	21184695	Dec 14, 2025	Open
old-engine Old Engine Branch	18037796	Jul 28, 2025	Open
2013-build 2013 Build	4579686	Jan 17, 2020	Open
2014-build 2014 Build	4579547	Jan 17, 2020	Open
2016-build 2016 Build	1402284	Dec 30, 2019	Open

Configuration

Install foldersteamapps/common/Contagion

Executable	Arguments	Systems	Description
contagion.exe	-steam	Windows	Play Contagion
x64/monoengine_x64.exe	-steam -game contagion	Windows · 64-bit	Contagion 64-Bit

Space per player1.00 GB

Filesup to 10,000

Save locations1

Root	Path	Pattern	Systems
gameinstall	engine/sessions	*.savf	All

Screenshots

Update history

Oct 25, 2026 · 07:41 #40198259
- appid removed
- common.ReleaseState added released
- common.releasestate removed
- config.launch.2.config.BetaKey added remaster
- config.launch.2.config.betakey removed

Data from public Steam pages, updated daily; 2 days of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.

Contagion

About Contagion

Steam data

Overview

App info

Languages

Platforms

Features

Prices

TaiwanNT$TWD

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Packages & DLC

Packages

DLCs

Depots

Depots

Branches

Configuration

Launch options

Cloud saves

Screenshots

Update history

Changes to the Steam record