Games like Eldritch Climb: A Cursed Ascent
Games like Eldritch Climb: A Cursed Ascent include Noita, Getting Over It with Bennett Foddy, Spelunky 2, Caveblazers, and Celeste. We matched them by the tags players give Eldritch Climb: A Cursed Ascent on Steam (Physics, Roguelite, Platformer, Difficult, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Noita
Shared: Physics · Difficult · Perma Death

Getting Over It with Bennett Foddy
Shared: Physics · Difficult · Platformer

Spelunky 2
Shared: Platformer · Difficult · 2D Platformer

Caveblazers
Shared: Platformer · Roguelite · Action Roguelike

Celeste
Shared: Difficult · Precision Platformer · Platformer

Dead Cells
Shared: Roguelite · Action Roguelike · Platformer

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

Spelunky
Shared: Platformer · Difficult · Action Roguelike

Super Meat Boy
Shared: Platformer · Precision Platformer · Difficult

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

Hades
Shared: Roguelite · Action Roguelike · Indie

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

A Difficult Game About Climbing
Shared: Difficult · Platformer · Physics

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

Downwell
Shared: Precision Platformer · Platformer · Action Roguelike

Rogue Legacy 2
Shared: Platformer · Roguelite · Difficult

Pogostuck: Rage With Your Friends
Shared: Difficult · Platformer · Precision Platformer

30XX
Shared: Roguelite · Platformer · Action Roguelike

Jump King
Shared: Difficult · Precision Platformer · Platformer

Astral Ascent
Shared: Roguelite · Action Roguelike · Difficult

Content Warning
Shared: Physics · Action Roguelike · Horror

ScourgeBringer
Shared: Roguelite · Platformer · Action Roguelike

Dungreed
Shared: Roguelite · Action Roguelike · Difficult

Spiritfall
Shared: Roguelite · Action Roguelike · Difficult