Download size

How many GB is Operation: Outbreak?

10 GB

Leave at least 17 GB free: games need headroom to unpack updates.

The figure is the storage Steam lists as required for this game, not a measured download.

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.