Games like Crumbling World
Games like Crumbling World include Hades, Hades II, Megabonk, The Binding of Isaac: Rebirth, and The Binding of Isaac. We matched them by the tags players give Crumbling World on Steam (Action Roguelike, Beat 'em up, Hack and Slash, Casual, and Difficult): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelike

Hades II
Shared: Hack and Slash · Action Roguelike · Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Arcade

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

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

Lost Castle
Shared: Action Roguelike · Beat 'em up · Hack and Slash

Vampire Survivors
Shared: Action Roguelike · Casual · Roguelike

Jotunnslayer: Hordes of Hel
Shared: Action Roguelike · Hack and Slash · Casual

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

Death Must Die
Shared: Action Roguelike · Hack and Slash · Roguelike

Crab Champions
Shared: Action Roguelike · Arcade · Roguelike

Spelunky
Shared: Action Roguelike · Roguelike · Difficult

Curse of the Dead Gods
Shared: Action Roguelike · Difficult · Isometric

Ravenswatch
Shared: Action Roguelike · Roguelike · Difficult

KIBORG
Shared: Action Roguelike · Beat 'em up · Hack and Slash

Halls of Torment
Shared: Action Roguelike · Roguelike · Arcade

Dead Cells
Shared: Action Roguelike · Roguelike · Hack and Slash

Sifu
Shared: Beat 'em up · Difficult · Action

Garden of Witches
Shared: Action Roguelike · Hack and Slash · Roguelike

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelike

Going Under
Shared: Action Roguelike · Beat 'em up · Hack and Slash

Windblown
Shared: Action Roguelike · Hack and Slash · Difficult

Enter the Gungeon
Shared: Action Roguelike · Difficult · Roguelike

Astral Ascent
Shared: Action Roguelike · Hack and Slash · Difficult