Operation: Outbreak

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Your squad's vehicle exploded during a patrol, and you're the only survivor. The enemy is unusual this time. A virus has turned the city into a warzone of the undead. Get to the exfil in time or die trying. A free-to-play short and intense FPS zombie survival horror game.

Developer: DREADMITH Games
Released: 20 Dec 2025
Price: Free to play
Platforms
Followers: 1,673
Steam Deck: Playable
Languages: English
Controller: Partial

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Players on Steam, last 48 hours

No player readings for Operation: Outbreak in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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Operation: Outbreak

Players on Steam, last 48 hours

Players on Steam, last 48 hours

Players By Month

Operation: Outbreak

Players By Month