Download size

How many GB is Zombie Panic! Source?

8 GB

That makes it bigger than 63% of Shooter games we have measured.

The median Shooter game needs 4 GB; the largest tenth start at 40 GB.

Leave at least 15 GB free: games need headroom to unpack updates.

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

Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. One of the most popular Half-Life 2 modifications of all time.