Games like Space Force
Games like Space Force include Planes, Bullets and Vodka, Bit Blaster XL, Vampire Survivors, Commando Collection, and Counter-Strike 2. We matched them by the tags players give Space Force on Steam (Action, Casual, Arcade, Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

Bit Blaster XL
Shared: Bullet Hell · Shooter · Arcade

Vampire Survivors
Shared: Bullet Hell · Casual · Action

Commando Collection
Shared: Action · Shooter · Arcade

Counter-Strike 2
Shared: Shooter · Action

Utopia Must Fall
Shared: Casual · Arcade · Action

BALL x PIT
Shared: Action · Arcade · Bullet Hell

LUFTRAUSERS
Shared: Action · Arcade · Bullet Hell

Crab Champions
Shared: Arcade · Bullet Hell · Casual

UpGun
Shared: Casual · Shooter · Arcade

Chicken Invaders 5
Shared: Action · Casual · Arcade

Nova Drift
Shared: Arcade · Bullet Hell · Shooter

Exit the Gungeon
Shared: Action · Arcade · Bullet Hell

Geometry Wars: Retro Evolved
Shared: Arcade · Casual · Bullet Hell

Pistol Whip
Shared: Action · Shooter · Arcade

Ikaruga
Shared: Arcade · Action · Bullet Hell

Chicken Invaders 4
Shared: Casual · Action · Arcade

Project Lazarus
Shared: Action · Casual · Bullet Hell

Ninja Kiwi Archive
Shared: Casual · Arcade · Action

Swarmlake
Shared: Action · Shooter · Arcade

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · Arcade

Megabonk
Shared: Action · Bullet Hell · Arcade

Rocket Rats
Shared: Casual · Bullet Hell · Action

ACE COMBAT 8: WINGS OF THEVE
Shared: Action · Shooter · Arcade