Games like Unbound
Games like Unbound include Celeste, Geometry Dash, Hollow Knight, Super Meat Boy, and Hollow Knight: Silksong. We matched them by the tags players give Unbound on Steam (Precision Platformer, Adventure, Difficult, 2D, and Sci-fi): closest matches first, and among equally close ones the better-known games.
Celeste
Shared: Precision Platformer · Difficult · 2D
Geometry Dash
Shared: Difficult · Precision Platformer · 2D
Hollow Knight
Shared: Difficult · 2D · Adventure
Super Meat Boy
Shared: Precision Platformer · Difficult · 2D
Hollow Knight: Silksong
Shared: Difficult · 2D · Adventure
Jump King
Shared: Precision Platformer · Difficult · Adventure
Nine Sols
Shared: Difficult · 2D · Hand-drawn
Thomas Was Alone
Shared: Precision Platformer · Sci-fi · Side Scroller
VVVVVV
Shared: Precision Platformer · Difficult · 2D
SANABI
Shared: Adventure · 2D · Difficult
Cuphead
Shared: Difficult · 2D · Platformer
The End Is Nigh
Shared: Precision Platformer · Difficult · Adventure
Pogostuck: Rage With Your Friends
Shared: Precision Platformer · Difficult · Adventure
Rain World
Shared: Difficult · 2D · Adventure
Super Meat Boy Forever
Shared: Difficult · Precision Platformer · 2D
Shovel Knight: Treasure Trove
Shared: Adventure · 2D · Difficult
Blasphemous 2
Shared: Difficult · Adventure · 2D
Downwell
Shared: Precision Platformer · Difficult · 2D
Zombotron
Shared: Adventure · 2D · Sci-fi
Neon Beats
Shared: 2D · Precision Platformer · Free to Play
Thank Goodness You're Here!
Shared: Adventure · Hand-drawn · 2D
LIMBO
Shared: Adventure · 2D · Indie
Aeterna Noctis
Shared: Difficult · Precision Platformer · 2D
Symphonia
Shared: Precision Platformer · Difficult · Adventure