Games like Mutant Tide
Games like Mutant Tide include Megabonk, Vampire Survivors, BALL x PIT, Halls of Torment, and Enter the Gungeon. We matched them by the tags players give Mutant Tide on Steam (Action, Roguelike, Casual, Action Roguelike, and Bullet Heaven): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Roguelike · Action Roguelike · Bullet Heaven

Vampire Survivors
Shared: Action Roguelike · Roguelike · Casual

BALL x PIT
Shared: Action · Roguelike · Action Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelike · Action

Enter the Gungeon
Shared: Roguelike · Action Roguelike · Pixel Graphics

Death Must Die
Shared: Action Roguelike · Action · Bullet Heaven

Skul: The Hero Slayer
Shared: Action · Action Roguelike · Roguelike

The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Pixel Graphics

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Twin Stick Shooter

Boneraiser Minions
Shared: Action Roguelike · Bullet Heaven · 2D

Dead Cells
Shared: Roguelike · Action Roguelike · 2D

Nuclear Throne
Shared: Roguelike · Action Roguelike · Action

Rogue Legacy
Shared: Roguelike · Action · Action Roguelike

Risk of Rain (2013)
Shared: Roguelike · Action Roguelike · Action

Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Roguelike

Atomicrops
Shared: Action · Roguelike · Action Roguelike

Astro Prospector
Shared: Roguelike · Casual · Action Roguelike

The Binding of Isaac
Shared: Roguelike · Action Roguelike · Action

Brotato
Shared: Roguelike · Action Roguelike · Bullet Heaven

Dungreed
Shared: Roguelike · Action Roguelike · Action

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Heaven · Roguelike

Noita
Shared: Roguelike · Pixel Graphics · Action

Hades
Shared: Action Roguelike · Action · Roguelike

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

