Download size

How many GB is Orion Defense?

4 GB

Leave at least 10 GB free: games need headroom to unpack updates.

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

Orion Defense is a space-themed shooting game with a tower defense element. You will build turrets or manually control turrets to repel incoming enemy attacks in a space fortress. You will also pilot fighters to stop enemy fleeing and capture enemy commanders in the asteroid belt.