Games like MONSTER GRINDER ULTRA
Games like MONSTER GRINDER ULTRA include Vampire Survivors, Enter the Gungeon, Dead Cells, Skul: The Hero Slayer, and Megabonk. We matched them by the tags players give MONSTER GRINDER ULTRA on Steam (Casual, Action, Adventure, Action Roguelike, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Casual

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

Dead Cells
Shared: Adventure · Action Roguelike · Roguelike

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

Megabonk
Shared: Action Roguelike · Roguelike · Action

Wizard of Legend
Shared: Action Roguelike · Action · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Dungeon Crawler

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

Noita
Shared: Roguelike · Dungeon Crawler · Action

Crab Champions
Shared: Action Roguelike · Roguelike · Looter Shooter

Noobs Want to Live
Shared: Action · Casual · Roguelike

Halls of Torment
Shared: Action Roguelike · Action · Bullet Hell

BlazBlue Entropy Effect
Shared: Action · Action Roguelike · Action-Adventure

Dungreed
Shared: Action Roguelike · Action · Roguelike

Desktop Survivors 98
Shared: Action · Casual · Action Roguelike

Blazing Beaks
Shared: Action Roguelike · Action · Roguelike

Juicy Realm
Shared: Action · Adventure · Casual

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Seraph's Last Stand
Shared: Casual · Action Roguelike · Bullet Hell

Lost Castle
Shared: Action Roguelike · Beat 'em up · Dungeon Crawler

Relic Hunters Zero: Remix
Shared: Action · Action Roguelike · Adventure

Hades
Shared: Action Roguelike · Action · Roguelike

Rabbit and Steel
Shared: Action Roguelike · Bullet Hell · Roguelike