Games like Space Girl
Games like Space Girl include Black Mesa, Half-Life 2, Titanfall® 2, Halo Infinite, and BioShock Infinite. We matched them by the tags players give Space Girl on Steam (Action, Shooter, FPS, 3D, and Cartoony): closest matches first, and among equally close ones the better-known games.

Black Mesa
Shared: Action · FPS · Shooter

Half-Life 2
Shared: Action · FPS · Shooter

Titanfall® 2
Shared: FPS · Shooter · Action

Halo Infinite
Shared: FPS · Shooter · Action

BioShock Infinite
Shared: Action · Shooter · FPS

Bright Memory: Infinite
Shared: Action · FPS · Shooter

Call of Duty®: Black Ops III
Shared: FPS · Shooter · Action

Half-Life
Shared: FPS · Shooter · Action

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · FPS

Starship Troopers: Extermination
Shared: Action · FPS · First-Person

DOOM
Shared: Action · FPS · Shooter

Half-Life: Opposing Force
Shared: Action · FPS · Shooter

Call of Duty®
Shared: FPS · Shooter · Action

Half-Life: Alyx
Shared: FPS · Shooter · Action

Half-Life: Blue Shift
Shared: Action · FPS · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · FPS

Apex Legends™
Shared: FPS · Shooter · Action

Bright Memory
Shared: FPS · Shooter · Action

Crysis Remastered
Shared: Action · Shooter · FPS

Halo: Campaign Evolved
Shared: Action · FPS · Shooter

Battlefield™ 2042
Shared: FPS · Shooter · Action

Halo: The Master Chief Collection
Shared: FPS · Shooter · Action

Call of Duty®: Infinite Warfare
Shared: Action · FPS · Shooter

Aliens: Colonial Marines Collection
Shared: Action · FPS · Shooter