Games like UFO Survival
Games like UFO Survival include Halo: Spartan Assault, BALL x PIT, Sky Force Reloaded, Deep Rock Galactic: Survivor, and Nex Machina. We matched them by the tags players give UFO Survival on Steam (Action, Space, Bullet Hell, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.
Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Shooter
BALL x PIT
Shared: Action · Bullet Hell · Arcade
Sky Force Reloaded
Shared: Bullet Hell · Arcade · Action
Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · Action
Nex Machina
Shared: Action · Bullet Hell · Arcade
HELLDIVERS™ Dive Harder Edition
Shared: Action · Top-Down Shooter · Twin Stick Shooter
Bit Blaster XL
Shared: Bullet Hell · Arcade · Shooter
Cyberhunt
Shared: Action · Arcade · Twin Stick Shooter
Chippy
Shared: Bullet Hell · Twin Stick Shooter · Top-Down Shooter
Aliens: Fireteam Elite
Shared: Action · Shooter · Character Customization
Zombieville USA 3D
Shared: Action · Arcade · Shooter
UBERMOSH Vol.5
Shared: Action · Arcade · Bullet Hell
Alien Breed: Impact
Shared: Action · Shooter · Space
Beat Hazard
Shared: Bullet Hell · Space · Twin Stick Shooter
Waves
Shared: Bullet Hell · Arcade · Shooter
DoDonPachi Resurrection
Shared: Bullet Hell · Top-Down Shooter · Action
STAR WARS™ Battlefront™ II
Shared: Space · Shooter · Action
UBERMOSH Vol.3
Shared: Action · Arcade · Bullet Hell
Assault Android Cactus+
Shared: Bullet Hell · Shooter · Twin Stick Shooter
Star Saviors
Shared: Action · Bullet Hell · Space
Nova Drift
Shared: Bullet Hell · Arcade · Shooter
Planes, Bullets and Vodka
Shared: Action · Bullet Hell · Arcade
Starship Troopers: Extermination
Shared: Action · Arcade · Space
UBERMOSH
Shared: Action · Arcade · Bullet Hell