AAAliens vs. Ghosts
41% matchFPS, Shooter, Similar premise
IndieSerious Sam 4
41% matchOften compared to it, FPS, Boomer Shooter
ObscureRobots - Invaders
40% matchFPS, Arcade, Similar premise
ObscureRaygun Gadabout
41% matchMetroidvania, Space, Similar premise
ObscureToyful Wonderworld
42% matchBoomer Shooter, Old School
ObscureBattle Star Asteroids
38% matchAliens, Sci-fi
ObscureSpacepunk Survival
45% matchBoomer Shooter, FPS, Similar premise
ObscureExodemon
40% matchFPS, Shooter, Similar premise
ObscurePROTON VR
42% matchBoomer Shooter, FPS
ObscureExodemic
33% matchAliens, Arcade, Similar premise
AABeyond Citadel
42% matchBoomer Shooter, FPS
ObscureNeospace: Prologue
34% matchSpace, Sci-fi, Similar premise
ObscureGraze Counter
39% matchArcade, Difficult, Similar premise
ObscureCraterbound
35% matchSpace, Aliens, Similar premise
ObscureCathedral 3-D
41% matchFPS, Old School, retro
AAAlien: Rogue Incursion Evolved Edition
39% matchFPS, Aliens
ObscureBreakout
40% matchBoomer Shooter, FPS
ObscureShoot Giant Robots and Wallrun
40% matchBoomer Shooter, FPS
ObscureSpace Vomit
35% matchAliens, Shooter, Similar premise
ObscureAbsolute Insanity
38% matchBoomer Shooter, Shooter, Similar premise
ObscureSolitude
40% matchFPS, Shooter
ObscureRefidenptio
43% matchBoomer Shooter, FPS, Similar premise
ObscureArcade Galaxy
31% matchOld School, Arcade, retro
ObscureChasm: The Rift
43% matchBoomer Shooter, FPS
ObscureCDF Ghostship
37% matchFPS, Aliens
ObscureMax Savage
36% matchSpace, Action-Adventure, retro
ObscureIncrevaders
35% matchSpace, Arcade
ObscureRetro Abyss : Last Wish Of The Game
34% matchOld School, Shooter, Similar premise
ObscureInfected spaceship generator
37% matchAliens, Shooter, Similar premise
ObscureHuman Diaspora
42% matchFPS, Shooter, Similar premise
ObscureSATAN
41% matchBoomer Shooter, Shooter
ObscureUs Against Aliens
39% matchAliens, FPS
ObscureGalactic Vanguard
41% matchBoomer Shooter, Arcade
ObscureEvoluShip
35% matchDifficult, Shooter, Similar premise
ObscureTerrorbytes
31% matchRetro, Exploration, retro
ObscureSpace Roguelike Adventure
35% matchAliens, Space, pixel art
ObscureApocalyptic Vibes
33% matchFPS, Shooter, Similar premise
AAINCISION
42% matchBoomer Shooter, FPS
AADUSK
44% matchBoomer Shooter, FPS, retro
ObscureMALEDICTOR
44% matchBoomer Shooter, FPS
ObscureSpace Dragons
40% matchAliens, Shooter, Similar premise
ObscureRelic Odyssey : Ruins Of Xantao
33% matchFPS, Space
ObscureComatose
36% matchFPS, Old School, Similar premise
AAImmortals of Aveum™
38% matchOften compared to it, FPS, Action-Adventure
ObscureDestructivator 2
37% matchOld School, Difficult
ObscureCosmic Resistance
31% matchAliens, Old School, Similar premise
ObscureTHOSE DAMN ALIENS! VR
34% matchAliens, Space, Similar premise
AAAQuake II
44% matchBoomer Shooter, FPS