Games like SPASE DEFENSE
Games like SPASE DEFENSE include Starship Troopers: Extermination, Risk of Rain Returns, Broforce, Vampire Survivors, and HELLDIVERS™ 2. We matched them by the tags players give SPASE DEFENSE on Steam (Arena Shooter, PvE, Arcade, Action, and Combat): closest matches first, and among equally close ones the better-known games.

Starship Troopers: Extermination
Shared: Action · PvE · Combat

Risk of Rain Returns
Shared: PvE · 2D · Action

Broforce
Shared: Action · Pixel Graphics · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

HELLDIVERS™ 2
Shared: PvE · Action · Sci-fi

UFO 50
Shared: Action · Arcade · Pixel Graphics

Dome Keeper
Shared: Action · Combat · Sci-fi

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Sci-fi

Streets of Rage 4
Shared: Action · Arcade · 2D

Deep Rock Galactic: Survivor
Shared: PvE · Arena Shooter · Action

Bit Blaster XL
Shared: Arcade · 2D · Action

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Action

BALL x PIT
Shared: Action · Arcade · Pixel Graphics

Deep Rock Galactic
Shared: PvE · Action · Sci-fi

Cyberhunt
Shared: Action · Arcade · 2D

Timberman
Shared: Action · Pixel Graphics · Arcade

STAR WARS™ Battlefront™ II
Shared: Action · Space · Sci-fi

METAL SLUG
Shared: Arcade · Action · 2D

Jump Space
Shared: PvE · Action · Sci-fi

Nova Drift
Shared: Arcade · Arena Shooter · Action

Rivals of Aether
Shared: Pixel Graphics · 2D · Action

Huntdown
Shared: Action · Pixel Graphics · 2D

LUFTRAUSERS
Shared: Arcade · Action · 2D

Exit the Gungeon
Shared: Arcade · Action · 2D