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Contagion
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
What reviewers agree on
22 of the 70 reviews raise this.
9 of the 70 reviews raise this.
“A polished version of NMRIH. Reduced spawns for zombies.”
“feels like a more refined NMRiH experience in my personal opinion”
6 of the 70 reviews raise this.
“I honestly can say this is a really great game. It has a lot of replayability as a single player game, but the real fun is had in co-op. I find myself thinking about this game from time to time, more so than Left 4 Dead…”
“One of the best multiplayer shooters I've ever played, the gunplay is actually fun while being a bit challenging, the zombies provide a problem but also a solution, do you use the horde as a defensive strategy or an…”
“My favorite BR mode. Shame no one plays this game anymore. Goated dev”
19 of the 70 reviews raise this · 5 of them still recommend the game.
“Online Servers are Dead. Single player exists, but not great. Back in 2013 this would have been a decent game to play with friends. Currently now days you are better off spending your money on something else. 2/10 -…”
“waste of time”
10 of the 70 reviews raise this · 3 of them still recommend the game.
“constant crashing”
“Failed to use a ladder twice in a row, wtf.”
“If you plan on playing this game solo then don't bother. One part of the game requires you to be on a train. Was constantly getting stuck when going through doors or just passing a passenger seat. Spent more time dying…”
7 of the 70 reviews raise this · 4 of them still recommend the game.
“Online Servers are Dead. Single player exists, but not great. Back in 2013 this would have been a decent game to play with friends. Currently now days you are better off spending your money on something else. 2/10 -…”
7 of the 70 reviews raise this · 3 of them still recommend the game.
“its accessibility is poor. no map, no waypoints and rigid movement and melee. missions are: scrounge around for a keycard for 10 minutes then eat a wave of zombies... rinse and repeat 2-5 times depending on the map...…”
“you spend 5 minutes walking around doing nothing then you die in 1 second because you got unlucky”
4 of the 70 reviews raise this.
“Online Servers are Dead. Single player exists, but not great. Back in 2013 this would have been a decent game to play with friends. Currently now days you are better off spending your money on something else. 2/10 -…”
“No more room in hell, but paid and crap”
“contagion is just no more room in hell but paid, less fun and somehow even more buggy than the later. spending money on this game nowdays is such a big waste (just buy left 4 dead instead lol) and if the devs doesnt let…”
Counted across 70 English reviews, sampled to match this game's 72.7% positive rating · as of 2026-05-20
“The game in general is a fun game solo or with friends. However the game does tend to crash randomly without warning losing your progress. I find that actually really annoying. When playing coop with friends you will also encounter frequent disconnections from the coop play…”
— a player, Steam review · 27 hrs played“i found some zombies but then died to some armoured ones”
— a player, Steam review · 1 hrs played“nah they fkd ts up with that new update a few months ago. anyone who bought ts and is wondering why the trailer is completely different than the game: go to your betas tab for the game and switch to "old-engine", you'll have a copy of the game that has split screen, mods work,…”
— a player, Steam review · 30 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-23 23:46 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Small patch: 2.3.0.1.7
Changelog Updated ce_laststop_08 Fixed Akira elevator Fixed detonator handle spawning inside an object Fixed cam numbers not showing up properly Updated ce_laststop_09 Updated the elevator area, made
Quick Hotfix: 2.3.0.1.6
Changelog Fixed Solo/Lobby games not applying their settings to auto.cfg file, which caused some variables to reset on next map change Updated ce_laststop_08 Fixed cam numbers not showing up properly.
Quick Hotfix: 2.3.0.1.5
Changelog Fixed the boat rotation on cp_broadway Fixed the train escape sequence on ce_downtown_03 not working properly Updated server tickrate for NextBot AI Fixed ce_biotec, ce_biotec_christmas, ch_
Quick Hotfix: 2.3.0.1.4
Changelog Fixed the player collisions, the player should no longer get stuck on everything Fixed money being dropped by zombies in Flatline going crazy by having a huge velocity Updated Volt Physics E
Quick Hotfix: 2.3.0.1.3
Changelog Fixed NextBot AI (Zombies) causing stuttering and crashing problems. Angelscript API Official Discord Patreon
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action, Adventure, Indie |
| Player tags | Zombies · Post-apocalyptic · Co-op · Horror · Level Editor · FPS · Moddable · PvE · First-Person · PvP · Survival Horror · Shooter (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Steam Trading Cards |
| Languages | English * , Simplified Chinese, Traditional Chinese, Portuguese - Brazil, Korean, Turkish, Italian, Russian, Japanese, Ukrainian, Spanish - Spain * |
| Achievements | 165 |
| Estimated owners | 1,000,000 – 2,000,000 (SteamSpy) |
| Official site | http://www.contagion-game.com |
Minimum system requirements (PC)
Minimum: OS *: Windows® 7 32/64-bit / Windows® 8 32/64-bit / Windows® 10 32/64-bit Processor: 2.4 GHz Intel Dual Core Processor Memory: 4 GB RAM Graphics: DirectX® 9 compatible video card with 256 MB, Shader model 2.0. ATI X800, NVidia 6600 or better DirectX®: 9.0c Hard Drive: 10 GB HDD Space Sound: DirectX 9.0c Compatible Hardware: Mouse & Keyboard Other Requirements: Broadband Internet Connection