[GoG] Xmorph Defense Complete Edition Free till Dec 29 2021

Glad I got it, this game is fun! Its basically a tower defense style game but you are an alien race invading earth. You are defending your harvester while flying around in a spaceship (ufo) from an onslaught of attacking humans (the military). I've only played about 2 hours solo in the campaign but well worth it even for the $7 on steam.