Shadow and darkness

You are a explorer of new planets. As it turned out, other planets are inhabited by shadows that are very hostile. Your task is to survive several waves to win. Firearms, which you buy using resources from the shadows you kill, help in the fight against shadows. You can also improve walls, suit, heal and hire a drone that will fire at enemies. Shadows come in different types, some attack on the ground, some in the air, some are divided into parts after death... Your task is to survive and protect your spaceship.

-Beautiful graphics
-Interesting gameplay
-Crowds of enemies