Games like Great Gun Gauntlet
Games like Great Gun Gauntlet include BALL x PIT, Megabonk, Brotato, Deep Rock Galactic: Survivor, and Vampire Survivors. We matched them by the tags players give Great Gun Gauntlet on Steam (Arcade, Bullet Hell, Top-Down, Destruction, and Survival): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Arcade · Bullet Hell · Action

Megabonk
Shared: Bullet Hell · Roguelike · Survival

Brotato
Shared: Bullet Hell · Roguelike · Survival

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down · Arcade

Vampire Survivors
Shared: Bullet Hell · Arcade · Roguelike

Sky Force Reloaded
Shared: Arcade · Bullet Hell · Top-Down

Halls of Torment
Shared: Bullet Hell · Roguelike · Arcade

Yet Another Zombie Survivors
Shared: Arcade · Top-Down · Top-Down Shooter

The Binding of Isaac
Shared: Roguelike · Top-Down · Action

Rogue: Genesia
Shared: Bullet Hell · Arcade · Action

Noobs Want to Live
Shared: Bullet Hell · Roguelike · Action

Enter the Gungeon
Shared: Bullet Hell · Roguelike · Top-Down

UBERMOSH:BLACK
Shared: Arcade · Bullet Hell · Action

Nuclear Throne
Shared: Bullet Hell · Roguelike · Action

FatalZone
Shared: Bullet Hell · Survival · Top-Down

The Spell Brigade
Shared: Bullet Hell · Roguelike · Action

Magicraft
Shared: Bullet Hell · Roguelike · Top-Down

Nova Drift
Shared: Bullet Hell · Arcade · Roguelike

Waves
Shared: Bullet Hell · Arcade · Top-Down

Maniac
Shared: Top-Down · Bullet Hell · Roguelike

Soulstone Survivors
Shared: Bullet Hell · Roguelike · Action

Planes, Bullets and Vodka
Shared: Bullet Hell · Arcade · Action

Atomicrops
Shared: Bullet Hell · Roguelike · Action

Heat Signature
Shared: Top-Down · Roguelike · Action