Download size

How many GB is The Dark Side Of Mars?

16 GB

That is more than the typical Adventure game, which needs about 5 GB.

Leave at least 25 GB free: games need headroom to unpack updates.

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

Survival horror game where you need to find your way through the maze that is the Red Arc Facility. You need to Find four Key cards and one Space Suit to escape the facility alive. Some enemies run and some relentlessly follow you and all you have is a torch.