Games like Experiment 00
Games like Experiment 00 include Celeste, Jump King, Geometry Dash, Super Meat Boy, and Hollow Knight: Silksong. We matched them by the tags players give Experiment 00 on Steam (Difficult, Adventure, Psychological Horror, Indie, and Precision Platformer): closest matches first, and among equally close ones the better-known games.
Celeste
Shared: Difficult · Precision Platformer · Indie
Jump King
Shared: Difficult · Psychological Horror · Indie
Geometry Dash
Shared: Difficult · Precision Platformer · 2D
Super Meat Boy
Shared: Difficult · Precision Platformer · Indie
Hollow Knight: Silksong
Shared: Difficult · Indie · 2D
Hollow Knight
Shared: Difficult · Platformer · Indie
Getting Over It with Bennett Foddy
Shared: Difficult · Psychological Horror · Indie
VVVVVV
Shared: Precision Platformer · Indie · Difficult
Pogostuck: Rage With Your Friends
Shared: Difficult · Psychological Horror · Precision Platformer
A Difficult Game About Climbing
Shared: Difficult · Adventure · Psychological Horror
SANABI
Shared: Adventure · 2D Platformer · Indie
The End Is Nigh
Shared: Difficult · Precision Platformer · Indie
Rain World
Shared: Difficult · Indie · Platformer
Downwell
Shared: Precision Platformer · Indie · Difficult
BEEP
Shared: Adventure · Indie · Platformer
Nine Sols
Shared: Difficult · Platformer · 2D
Changed
Shared: Difficult · Psychological Horror · Adventure
LIMBO
Shared: Indie · Adventure · Platformer
Squishy the Suicidal Pig
Shared: Indie · Adventure · Difficult
I wanna be the Creator
Shared: Adventure · Difficult · Platformer
Pizza Tower
Shared: Indie · 2D Platformer · Platformer
Super Meat Boy Forever
Shared: Difficult · Indie · Precision Platformer
Cuphead
Shared: Difficult · Platformer · Indie
Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Adventure