Games like GUTZ
Games like GUTZ include Counter-Strike 2, DOOM Eternal, DOOM, ODDCORE, and Warhammer 40,000: Boltgun. We matched them by the tags players give GUTZ on Steam (Action, FPS, Roguelike, Arcade, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Counter-Strike 2
Shared: FPS · Action · Shooter

DOOM Eternal
Shared: FPS · Action · Demons

DOOM
Shared: FPS · Action · Shooter

ODDCORE
Shared: Roguelike · FPS · Boomer Shooter

Warhammer 40,000: Boltgun
Shared: FPS · Action · Boomer Shooter

BALL x PIT
Shared: Action · Arcade · Roguelike

Gunfire Reborn
Shared: FPS · Roguelike · Action

Nova Drift
Shared: Arcade · Shoot 'Em Up · Action Roguelike

PUBG: BATTLEGROUNDS
Shared: FPS · Action · Shooter

Call of Duty®
Shared: FPS · Action · Shooter

Deadzone: Rogue
Shared: FPS · Roguelike · Action

Bloodshed
Shared: FPS · Action · Action Roguelike

BPM: BULLETS PER MINUTE
Shared: FPS · Action · Roguelike

Left 4 Dead 2
Shared: FPS · Action · Shooter

Anger Foot
Shared: FPS · Action · Arcade

Far Cry® 5
Shared: FPS · Action-Adventure · Action

Megabonk
Shared: Roguelike · Action Roguelike · Action

CULTIC
Shared: FPS · Action · Boomer Shooter

MULLET MADJACK
Shared: FPS · Action · Arcade

Ziggurat
Shared: Action · FPS · Action Roguelike

Far Cry® 6
Shared: FPS · Action · Action-Adventure

Counter-Strike
Shared: Action · FPS · Shooter

DOOM: The Dark Ages
Shared: Action · FPS · Demons

Clownfield 2042
Shared: Action · FPS · Arcade