Games like Zaga-33

Here are some great alternatives to Zaga-33 by Smestorp :
Occupation 2.5
Occupation 2.5
★3.9
Starscape: Rogue-like Shooter
Starscape: Rogue-like Shooter
★4.4
XENORAZE Survival Online
XENORAZE Survival Online
★3.8
Shadow Survival: Offline Games
Shadow Survival: Offline Games
★4.4
Alien Shooter
Alien Shooter
★4.0
Elroi : Defense War
Elroi : Defense War
★4.5
Alien Path
Alien Path
★4.4
Residual
Residual
★4.1
Zombotron Re-Boot
Zombotron Re-Boot
★4.7
The Galaxy Wanderer Game
The Galaxy Wanderer Game
★4.0
Radiant
Radiant
★4.7
Chaos Galaxy - Space Shooter
Chaos Galaxy - Space Shooter
★3.9
Dark Plane - dungeon crawler
Dark Plane - dungeon crawler
★4.4
Alien Assasin Invasion
Alien Assasin Invasion
★4.2
Returner 77
Returner 77
★4.2
Alien Shooter World
Alien Shooter World
★4.5