Games like Space Battle
Games like Space Battle include Minishoot' Adventures, Vampire Survivors, Bloons TD 6, Fallout 4, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Space Battle on Steam (Singleplayer, Twin Stick Shooter, Exploration, Bullet Hell, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Minishoot' Adventures
Shared: Twin Stick Shooter · Bullet Hell · Exploration

Vampire Survivors
Shared: Bullet Hell · Singleplayer · 2D

Bloons TD 6
Shared: Singleplayer · Tower Defense · Strategy

Fallout 4
Shared: Singleplayer · Exploration · Open World

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Tower Defense · Strategy

Crimson Desert Enhanced
Shared: Singleplayer · Exploration · Open World

Kingdom Rush - Tower Defense
Shared: Singleplayer · Tower Defense · Strategy

Fallout: New Vegas
Shared: Singleplayer · Open World · Exploration

Kingdom Rush Origins - Tower Defense
Shared: Singleplayer · Tower Defense · Strategy

Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · Difficult

Mount & Blade II: Bannerlord
Shared: Open World · Strategy · Singleplayer

Cyberpunk 2077
Shared: Singleplayer · Open World · Exploration

Kingdom Rush Frontiers - Tower Defense
Shared: Singleplayer · Tower Defense · Strategy

Assassin's Creed® Odyssey
Shared: Singleplayer · Open World · Exploration

Brotato
Shared: Singleplayer · Bullet Hell · Roguelike

Hogwarts Legacy
Shared: Singleplayer · Open World · Exploration

GemCraft - Chasing Shadows
Shared: Singleplayer · Tower Defense · Strategy

Nordic Ashes: Survivors of Ragnarok
Shared: Exploration · Bullet Hell · Strategy

BALL x PIT
Shared: Bullet Hell · Action · Top-Down Shooter

Slime Rancher
Shared: Exploration · Singleplayer · Open World

Hollow Knight
Shared: Singleplayer · Exploration · 2D

Hollow Knight: Silksong
Shared: Singleplayer · Exploration · 2D

Starfield
Shared: Singleplayer · Open World · Exploration

Maniac
Shared: Singleplayer · Bullet Hell · Top-Down