Games like This is Hell
Games like This is Hell include Jump King, Celeste, Super Meat Boy, Getting Over It with Bennett Foddy, and Geometry Dash. We matched them by the tags players give This is Hell on Steam (Psychological Horror, Action, Difficult, Physics, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Jump King
Shared: Psychological Horror · Difficult · Precision Platformer

Celeste
Shared: Difficult · Precision Platformer · Platformer

Super Meat Boy
Shared: Difficult · Precision Platformer · Platformer

Getting Over It with Bennett Foddy
Shared: Psychological Horror · Difficult · Physics

Geometry Dash
Shared: Difficult · Precision Platformer · 2D

A Difficult Game About Climbing
Shared: Psychological Horror · Difficult · Action

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

Noita
Shared: Physics · Difficult · Pixel Graphics

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

VVVVVV
Shared: Precision Platformer · Difficult · Platformer

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

Downwell
Shared: Precision Platformer · Action · Platformer

Ambidextro
Shared: Action · Precision Platformer · 2D Platformer

Cuphead
Shared: Difficult · Platformer · 2D

I wanna be the Creator
Shared: Action · Difficult · Platformer

Hollow Knight
Shared: Difficult · Platformer · 2D

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

Golfing Over It with Alva Majo
Shared: Difficult · Physics · Precision Platformer

Egging On
Shared: Difficult · Psychological Horror · Physics

The End Is Nigh
Shared: Precision Platformer · Difficult · Platformer

Bread & Fred
Shared: Difficult · Precision Platformer · 2D Platformer

Peaks of Yore
Shared: Psychological Horror · Difficult · Physics

Broforce
Shared: Action · Platformer · Pixel Graphics

Rain World
Shared: Difficult · Platformer · Pixel Graphics