Charts Sales Upcoming Patches Events Calculator

New on SteamEvery app, DLC and depot the minute Steam creates it AppsEvery app on Steam, newest change first PackagesSubs and bundles, and what each contains DepotsDepots, manifests and install sizes TagsSteam's user tags and the games under them Developers & publishersCompanies and their catalogues TechnologiesEngines, SDKs and anti-cheat found in the files Change historyEvery PICS changelist as it lands

SignalsNineteen readings of the whole catalogue CompareAny games side by side RecordsAll-time peaks and the days they were set ReportsWeekly and monthly write-ups Alerts & newsroomWatch a game, get told when it moves Steam statusIs Steam up, right now Web API explorerTry the endpoints in the browser

EventsSteam's own events and the sales calendar CalculatorWhat a Steam account is worth, and its pile of shame

/

Sign in

/

SteamPeaks

The ultimate resource for Steam data.

ExploreCharts Sales Sales and fests Upcoming Patches Events Records Trending Signals

DatabaseApps Packages Depots Tags Developers Technologies Change history

ToolsCalculator Compare Search Alerts Steam status API

SiteMethodology FAQ Discord Support Sign in via Steam

Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.

Privacy Cookies Fair use Status

Quarantine Zombies: Contamination›Events›Demo Update

In-game event

Demo Update

Quarantine Zombies: Contamination · published 8 months ago

All events Players around this date Read on Steam

What’s new:

Zombie spawn system overhauled
Zombie variety increased ~20x
Gameplay balance updated
UI/UX improvements
Performance optimizations
Fixed: overlapping voice lines from multiple refugees in the quarantine zone

Thanks for playing the demo and sending feedback - keep it coming.

More from Quarantine Zombies: Contamination

Other announcements

In-game event21 Aug 2026New Update - Quarantine Zombies: ContaminationGreetings, Checkpoint Operator! We’re currently working on two major updates, but we still want to release smaller improvements whenever possible. Here’s what’s included in this update: · Improved overall game performance · Fixed the render distance of certain symptoms · Fixed symptoms displaying incorrectly on forearms and lower legs · Improved the scanner’s visual effects · Fixed an issue tha…In-game event14 Aug 2026Hotfixes – Quarantine Zombies: ContaminationGreetings, Checkpoint Operators! Today’s update includes the following fixes and improvements: · Added notifications for lootable items. · Integrated new animations for the new zombie types. · Fixed several graphics settings, including texture quality options. · Improved overall game performance by up to 10%. · Fixed a main menu UI issue that caused the Continue button to remain highlighted lon…Major update5 Aug 2026Quarantine Zombies: Contamination is Out Now!Hello, Checkpoint Operators! Since our initial release we have been hard at work to deliver an improved version of the game. It has taken us a while and we are very proud to finally roll out our biggest yet update to Quarantine Zombies: Contamination. Contamination brings a meaningful set of improvements to the game. We have been listening to your feedback, and this update focuses on expanding…