Games like Aliencity
Games like Aliencity include Counter-Strike 2, Starship Troopers: Extermination, Black Mesa, Half-Life 2, and Bit Blaster XL. We matched them by the tags players give Aliencity on Steam (Action, Casual, Arcade, Shooter, and Arena Shooter): closest matches first, and among equally close ones the better-known games.
Counter-Strike 2
Shared: Shooter · Action · FPS
Starship Troopers: Extermination
Shared: Action · FPS · Arcade
Black Mesa
Shared: Action · FPS · Shooter
Half-Life 2
Shared: Action · FPS · Shooter
Bit Blaster XL
Shared: Shooter · Arcade · Bullet Hell
Nova Drift
Shared: Arcade · Bullet Hell · Shoot 'Em Up
BioShock Infinite
Shared: Action · Shooter · FPS
BATTALION: Legacy
Shared: Arena Shooter · FPS · Shooter
UpGun
Shared: Casual · Shooter · Arcade
Echo Point Nova
Shared: Shooter · Action · FPS
Swarmlake
Shared: Action · Shooter · Arcade
Planes, Bullets and Vodka
Shared: Action · Casual · Arcade
Halo Infinite
Shared: Action · Shooter · FPS
Titanfall® 2
Shared: FPS · Shooter · Action
Call of Duty®
Shared: Action · Shooter · FPS
DOOM
Shared: Action · FPS · Shooter
Aimlabs
Shared: Action · Shooter · FPS
VLADiK BRUTAL
Shared: Action · Shooter · FPS
Battlefield™ 2042
Shared: Shooter · FPS · Action
Apex Legends™
Shared: Shooter · Action · FPS
STAR WARS™ Battlefront™ II
Shared: Shooter · Action · FPS
KovaaK's
Shared: Action · Shooter · FPS
SUPERHOT
Shared: Action · FPS · Shooter
Call of Duty®: Black Ops III
Shared: Action · Shooter · FPS