Steam app 238430 · updated 12 Sep 2026, 21:38 UTC
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.
624 hourly samples, with the daily peak drawn over them. Weekends are shaded.
156 months, October 2013 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 392 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 232 hourly samples. Each dip is a night. Weekends are shaded.
Contagion was released on 25 Oct, 2013.
| Language | Full audio |
|---|---|
| English | ● |
| Simplified Chinese | |
| Traditional Chinese | |
| Portuguese - Brazil | |
| Korean | |
| Turkish | |
| Italian | |
| Russian | |
| Japanese | |
| Ukrainian | |
| Spanish - Spain |
A blank audio cell means full audio was not marked in the returned language list.
Contagion - Major Update v2.2.0.0 Trailer
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Contagion - Enhanced Cinematic SFM Release Trailer
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Contagion - Early Beta Trailer
Watch on Steam165 achievements in total.
50 developer announcements, May 2022 to Nov 2025 · times in UTC
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 the elevator broken, now the player has…
Patch notesChangelogFixed Solo/Lobby games not applying their settings to auto.cfg file, which caused some variables to reset on next map changeUpdated ce_laststop_08Fixed cam numbers not showing up properly.Updated ce_laststop_06Changed the ceiling…
Patch notesChangelogFixed the boat rotation on cp_broadwayFixed the train escape sequence on ce_downtown_03 not working properlyUpdated server tickrate for NextBot AIFixed ce_biotec, ce_biotec_christmas, ch_biotec and chm_biotecFixed atrium brush…
Patch notesChangelogFixed the player collisions, the player should no longer get stuck on everythingFixed money being dropped by zombies in Flatline going crazy by having a huge velocityUpdated Volt Physics EngineUpdated Flatline music, now uses 5…
Patch notesChangelogFixed NextBot AI (Zombies) causing stuttering and crashing problems.Angelscript API Official Discord Patreon
Patch notesChangelogFixed interactive prop causing crashes (aka, keypad or the monitors on ce_biotec)Fixed doors not opening/closing properly if there is a AI Zombie behind itFixed Campaign console variables being reset on the next map, when it…
Patch notesAfter 3 months, I hope it was worth the wait.This campaign does not replace the current barlowe maps that currently exist in the game. This campaign brings in 4 new maps specially created for Campaign mode. This campaign was supposed to…
WuffesanChangelog Added new barlowe assets (with LOD's) Added experimental LOD's for a few barlowe models Added LOD's for the airfrreighter models, this should fix some FPS issues on ce_laststop04 and ce_laststop_04b Updated Material System, fixed…
Patch notesHappy 1st of April (or rather, the day after, because I had to make sure stuff didn't breakːmissingː) Do your best and rob the bank! Custom GameMode: Zombie Heist This gamemode only has 1 map, since it was simply created for this event…
WuffesanChangelog Added console variable cl_campaign_draw_logo Added console variable cl_campaign_draw_string Added Santa hats and party hats for survivors (and inmates) so they can also celebrate the year Added session purging for those who wants…
Patch notesChangelog Added cvar cl_classic_zombieaudio (Will use 2013 zombie audio only) Added support for Custom votes (check dev_aitest.as file) Updated Supporter Pack DLC, added the entire Contagion Comic in high quality. Updated Flatline…
Patch notesChangelog Added ce_barlowe_christmas Added "GetBotProfile" for Angelscript. Check dev_aitest.as for an example. Can be found under contagion/data/scripts/maps. Updated Flatline `rewards.txt` Updated Flatline max money from `$18,000` to…
Patch notesChangelog Added Tonfa for Flatline Updated cx_barlowesquare navigation mesh, by Y#shion Updated ce_laststop_03 navigation mesh, by Y#shion Updated cx_campwhitner navigation mesh, by Y#shion Updated cx_lakeland navigation mesh, by Y#shion…
Patch notesChangelog Updated Vote Manager, now it read a % based yes to no votes check instead of being yes > no. Default success chance is 25% Updated Italian translation Fixed 0/8 players issue with the new Steam API with a workaround Fixed Ban…
Patch notesChangelog Added turret upgrade support for Flatline Added turret ammo resupply Added "Most defibrillators used" for Campaign Stats Added missing English translation strings for Flatline gamemode (for mountable turret) Updated Italian…
Patch notesIt's just fixes a dumb spam from the "datacenter" request in the console. All server operators, update your servers as this will simply fix a spam issue related to matchmaking_ds.dll file.
Patch notesChangelog Added "mountable turret" buyable item for Flatline (can be used by modders) Updated the 50cal model to be animated when firing Updated the door in ce_laststop_08 non solid (when it blows up) Updated ce_laststop_09, fixed the…
Patch notesChangelog Added support for "env_weaponfire" (and added to the FGD) Added "ce_campaign_respawn_debug" cvar, if respawn breaks, use this convar (only seen by the server host) Added missing world audio for "chm_lostmuertos" Updated…
Patch notesFixes where zombie riots keeps on spawning like crazy. This was not a feature, thank you Byo for reporting it right away!
Patch notesThis update will finally mark this game as "Feature Complete", after 10 whole years. There are more things we want to do for Contagion, but due to lack of funding and resources, we can only sadly support the game for another 2-3 months (if…
WuffesanChangelog Added "bool CTakeDamageInfo.HasDamageType( int bitsDamageType ) const;" function Added "void Utils.SetAmmoMaxCarry(int &in iAmmoIndex, int &in iMaxCarrySize);" function Added "void Utils.ResetAmmoMaxCarry(int &in iAmmoIndex);"…
Patch notesChangelog Added "CTerrorPlayer.DropUnusedAmmo" function Cleaned up Command register function Updated "Schedule::Task", it now accepts dictionary inputs Updated "CTerrorPlayer.DropWeapon" function Fixed EOR (End Of Round) showing incorrect…
Patch notesChangelog Added missing "grapple kill icon" for the kill feed Updated lighting issues on ch_biotec Fixed the kill feed not properly showing the attacker, if the attacker was a player Fixed Campaign not writing the SteamID property for the…
Patch notesChangelog Added "void SQL::TryReconnect(CSQLConnection@ hConnection )" Added "SQL::SendQueryEx(CSQLConnection@ hConnection, string &in strQuery, SQLQueryFuncDict @pCallback, dictionary@ dict)" Added "Events:: Player…
Patch notesChangelog Fixed official plugins not being up to date Updated ce_roanokepd and ce_roanokepd_halloween Removed most of the survivors on normal Roanoke PD, and they only spawn on the first round. Fixed old trigger_teleport triggers not being…
Patch notesChangelog Fixed players getting haunted by zombie T-Pose Nick on Campaign Mode Added support for grabbing physics objects with appropriate mass (and if they can be picked up by the level designer). Updated ce_laststop and ch_unionstation…
Patch notesNot a big update this time, mostly modding related & some necessary cleanup. We are still working on the last few remaining maps for LastStop. Changelog Updated Biotec & Biotec Christmas navigation meshes, by Y#shion Updated Brazilian and…
Patch notesChangelog Added function "void ThePresident.SpawnZombiesInVolume(int &in iValue, Vector &in vMin, Vector &in vMax, bool ignoreplayers = false)" Added function "SetEntityInfo" and GetEntityInfo for CBaseEntity class. Added a new AS function…
Patch notesChangelog Added "Flatline Mode" to Flatline Bosses. Added "cl_allow_mouse_docked" for Steam Deck mode, which allows the mouse to be enabled in docked mode (there is no API that checks if you are in docked mode or not currently) Updated…
Patch notesChangelog Added GeoIP Support. "JsonValues@ FileSystem::ReadMMDB( const string &in address )" Added SQL Debugging (sql_debug cvar) Updated Survivor AI, they now switch to melee once they run out of ammo (Flatline only) Updated MP5K, Sig…
Patch notesChangelog Added Angelscript Event hook OnPlayerEscape Added Angelscript Event hook OnPlayerReachSafeZone Added Angelscript Event hook OnPlayerLeftSafeZone Added FPS Limiter under "Video" options Updated Infected base class, boss entities no…
Patch notesThis hotfix will fix a few issues regarding the supporter badge going "poof" on the next Campaign map (Official and Custom), and when you resume your campaign session. And about the "Supoprter Pack", it was a typo when we created the DLC…
Patch notesThe last chapter of Last Stop unfortunately requires a bit more time in the oven, however, we did finish up the mansion level, so we hope everyone will enjoy it! The main reason why we require more time for the last remaining maps is due to…
Wuffesan- Fixed 2715x1527 having faulty UI (4K still not supported, as I don't even own a 4K monitor) - Fixed an exploit on ce_campwhitner - Fixed an exploit on ce_montclair_partb - Fixed "Not Today" being accidentally commented out - Updated end…
Patch notes{STEAM_CLAN_IMAGE}/4734227/9671e1a79548cdd9d772b1c44e0db2218cfa48c1.png Buy Now! AI MADE ME DO IT! Contagion is a challenging game that requires players to work together and use their resources wisely. The zombies are fast and deadly, and…
[MG]RashController mode is currently broken, due Steam is not reading the default configuration file, or that it was setup incorrectly. This is still being looked into, and will be solved for the next hotfix and/or update. Changelog Added missing…
Patch notesDedicated servers no longer require Steam Client to be installed. The server should hopefully no longer revert to "FORCED LAN" mode. Changelog Added support for RenderFX `kRenderFxGlowShell` Added missing zombie models for Lawrence, Ryan…
Patch notes- Updated cp_passenger (fine tuned end portion) - Updated ch_roanokepd (fixed broken cubemaps) - Updated how plugins gets reloaded (they actually reload properly now) - Updated dedicated and client launcher - Updated `cx_barlowesquare`…
Patch notes- Updated client launcher, if the game crashes on boot, it should explain the reason why. (hopefully...) - Updated Translations - Updated Biotec Christmas (Fixed broken lighting, updated elevator area, added notes and interactable buttons…
Patch notesFixed a crash where if you would join about the same time as the server changed map, on a campaign or any map that uses info_safezone, would cause a crash. English translations was also updated, minor typos has been fixed, such as…
Patch notesAdded cp_passenger Added new AS Hook "HookReturnCode OnPlayerDamagedPre(CTerrorPlayer@ pPlayer, CTakeDamageInfo &in DamageInfo)", should fix the issue where you cannot block certain entities from damaging the player etc. Updated party UI…
Patch notesFixed where the host could not create private lobbies, because the key validator was read too late. This happened because a single line of code was missing. ːmissingː
Patch notes- Updated prices for the medical resources and melee weapons - Updated translations - Updated cf_clocktower (fixed some nav issues, AI getting stuck because they want to make love furniture, and some more detailing) - Updated Flatline…
Patch notes{STEAM_CLAN_IMAGE}/4734227/1c4c0c3be23339d34b90070f2d2983e68c4ebba3.jpg Last Stop - Chapter 2 After finally arriving to the suburbs of Aurora, the survivors could finally catch their breath. But sadly, this was just a temporary safe haven.…
WuffesanGrab Contagion now at 60% off for a limited time.
[MG]Rash{STEAM_CLAN_IMAGE}/4734227/8f7b6d9284f437faa03c58df13779119aace6099.png Last minute Holiday Gift? We got you covered. Grab a single copy or a 4 pack at 50% off for a limited time.
[MG]RashHey everyone! As you may have noticed, we have changed server provider. We want to thank GameServers for all the years of service they gave to Contagion! We will cherish all our memories we had on their servers and wish GameServers the best…
[MG]RashSay goodbye to the Summer! 50% off Contagion and Contagion 4 pack for a limited time. Into VR? Check out our newest release: HeadCount, also on sale at 33% off for a limited time! HeadCount
[MG]RashChangelog Engine Increased the brush limit from 2m to 4m Updated VRAD, VVIS and VBSP (Hammer Map Compilers) Game Added unused "low health" line when HP is 25% or lower. Added where the player will leave a trail of blood if HP is 25% or…
Patch notesLimited time 50% off discount. IT'S NOT TOO LATE TO SPOIL MOM! Get a copy for Mom TODAY.
[MG]RashEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Contagion Supporter Pack | Windows | 14 Feb 2024 |
| Contagion OST | WindowsmacOSLinux | 26 Oct 2015 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Play Contagion | contagion.exe | -steam | windows | |
| Contagion 64-Bit | x64/monoengine_x64.exe | -steam -game contagion | windows 64 | branch remaster |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | engine/sessions | *.savf |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG