Download size

How many GB is UFO Cross?

5 GB

Leave at least 11 GB free: games need headroom to unpack updates.

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

Alien have crossed the Interstellar and attack the earth! Pick up your weapons and command your Subordinate to defeat invading aliens everywhere. Be careful，their advanced equipment can travel through time, study the enemy's technology, and travel to every time and place in the world to save people.