Games like Nanny's Journey
Games like Nanny's Journey include Getting Over It with Bennett Foddy, Geometry Dash, A Difficult Game About Climbing, Pogostuck: Rage With Your Friends, and Jump King. We matched them by the tags players give Nanny's Journey on Steam (Precision Platformer, Psychological Horror, Difficult, Time Attack, and Roguelike): closest matches first, and among equally close ones the better-known games.

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

Geometry Dash
Shared: Difficult · Precision Platformer · Singleplayer

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

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

Jump King
Shared: Psychological Horror · Precision Platformer · Difficult

The Binding of Isaac: Rebirth
Shared: Roguelike · Difficult · Replay Value

Super Meat Boy
Shared: Precision Platformer · Difficult · Singleplayer

Celeste
Shared: Precision Platformer · Difficult · Singleplayer

The Binding of Isaac
Shared: Roguelike · Difficult · Replay Value

Balatro
Shared: Roguelike · Singleplayer · Replay Value

Only Climb: Better Together
Shared: Precision Platformer · Difficult · Roguelike

FTL: Faster Than Light
Shared: Roguelike · Difficult · Singleplayer

Egging On
Shared: Difficult · Psychological Horror · Dark Humor

Spelunky
Shared: Roguelike · Difficult · Replay Value

Skul: The Hero Slayer
Shared: Roguelike · Difficult · Singleplayer

Super Meat Boy Forever
Shared: Difficult · Precision Platformer · Singleplayer

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

Hades
Shared: Roguelike · Singleplayer · Indie

Bzzzt
Shared: Precision Platformer · Difficult · Time Attack

Dustforce DX
Shared: Precision Platformer · Difficult · Time Attack

Lobotomy Corporation | Monster Management Simulation
Shared: Psychological Horror · Difficult · Singleplayer

CloverPit
Shared: Psychological Horror · Roguelike · Dark Humor

Downwell
Shared: Precision Platformer · Difficult · Indie

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