Games like Kick'n Hell
Games like Kick'n Hell include Jump King, Celeste, Getting Over It with Bennett Foddy, Clustertruck, and White Knuckle. We matched them by the tags players give Kick'n Hell on Steam (Precision Platformer, Parkour, Psychological Horror, 3D Platformer, and Difficult): closest matches first, and among equally close ones the better-known games.

Jump King
Shared: Precision Platformer · Psychological Horror · Difficult

Celeste
Shared: Precision Platformer · Difficult · Pixel Graphics

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

Clustertruck
Shared: Parkour · 3D Platformer · First-Person

White Knuckle
Shared: Parkour · 3D Platformer · First-Person

Gorilla Tag
Shared: Psychological Horror · Parkour · First-Person

Peaks of Yore
Shared: Psychological Horror · Difficult · Physics

A Difficult Game About Climbing
Shared: Psychological Horror · Difficult · Precision Platformer

Super Meat Boy
Shared: Precision Platformer · Difficult · Singleplayer

A Story About My Uncle
Shared: Parkour · First-Person · Singleplayer

Geometry Dash
Shared: Difficult · Precision Platformer · Singleplayer

Outlast
Shared: Psychological Horror · First-Person · Singleplayer

Neon White
Shared: Parkour · 3D Platformer · Precision Platformer

Hot Lava
Shared: Precision Platformer · Parkour · 3D Platformer

SEUM: Speedrunners from Hell
Shared: Parkour · Precision Platformer · 3D Platformer

Portal 2
Shared: Singleplayer · First-Person · 3D Platformer

Lorn's Lure
Shared: Parkour · 3D Platformer · Singleplayer

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

BETON BRUTAL
Shared: Parkour · Precision Platformer · 3D Platformer

VVVVVV
Shared: Precision Platformer · Difficult · Pixel Graphics

Five Nights at Freddy's
Shared: Psychological Horror · Singleplayer · Difficult

Portal
Shared: 3D Platformer · First-Person · Singleplayer

Idols of Ash
Shared: Parkour · First-Person · 3D Platformer

Mirror's Edge™
Shared: Parkour · 3D Platformer · First-Person