Download size

How many GB is Mark One?

2 GB

That is less than the typical Indie game, which needs about 3 GB.

Leave at least 8 GB free: games need headroom to unpack updates.

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

Robots built by humans are retaliating. Step in to dispose rogue robots, defeat powerful foes and save the human race in this sci-fi action shooter.