Games like Blitz Smash Ultimate
Games like Blitz Smash Ultimate include Enter the Gungeon, The Binding of Isaac: Rebirth, Wizard of Legend, Crawl, and UnderMine. We matched them by the tags players give Blitz Smash Ultimate on Steam (Action, Action Roguelike, Shoot 'Em Up, Pixel Graphics, and Shooter): closest matches first, and among equally close ones the better-known games.

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

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

Wizard of Legend
Shared: Action Roguelike · Pixel Graphics · Action

Crawl
Shared: Pixel Graphics · Action Roguelike · Dungeon Crawler

UnderMine
Shared: Action Roguelike · Pixel Graphics · Action

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

Star of Providence
Shared: Action Roguelike · Shoot 'Em Up · Action

Hades II
Shared: Action · Action Roguelike · Female Protagonist

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · Action

20 Minutes Till Dawn
Shared: Action Roguelike · Shoot 'Em Up · Pixel Graphics

Dungreed
Shared: Action Roguelike · Pixel Graphics · Action

SULFUR
Shared: Action Roguelike · Gun Customization · Dungeon Crawler

Hades
Shared: Action Roguelike · Action · Dungeon Crawler

Broforce
Shared: Action · Pixel Graphics · Shooter

Noita
Shared: Pixel Graphics · Dungeon Crawler · Action Roguelike

BALL x PIT
Shared: Action · Action Roguelike · Shoot 'Em Up

Pixel Gun 3D: PC Edition
Shared: Pixel Graphics · Action · Shooter

Duck Game
Shared: Action · Pixel Graphics · Shooter

Sephiria
Shared: Action Roguelike · Action · Pixel Graphics

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Action

Risk of Rain 2
Shared: Action Roguelike · Action · Shooter

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · Pixel Graphics

Children of Morta
Shared: Pixel Graphics · Action Roguelike · Action

Bright Memory: Infinite
Shared: Action · Female Protagonist · Shooter