Download size

How many GB is Alien Insanity?

0.2 GB

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

Leave at least 6 GB free: games need headroom to unpack updates.

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

Aliens have invaded Earth and these thing are weird. Mechanical steam-powered shells... bipedal robots... flying eyeballs drones... Can this all be real? The aim of each level is simple: Kill all the aliens - then find the exit. 24 mind-bending levels! Create and share mods with the inbuilt level editor.