Games like Goat over it
Games like Goat over it include Celeste, Hollow Knight, Geometry Dash, Spelunky 2, and Super Meat Boy. We matched them by the tags players give Goat over it on Steam (Indie, Difficult, Physics, Replay Value, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · Indie · Platformer

Hollow Knight
Shared: Difficult · Platformer · Indie

Geometry Dash
Shared: Difficult · 2D · Platformer

Spelunky 2
Shared: Difficult · Platformer · Indie

Super Meat Boy
Shared: Difficult · Indie · Platformer

Hollow Knight: Silksong
Shared: Difficult · Indie · 2D

Getting Over It with Bennett Foddy
Shared: Difficult · Physics · Indie

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

Skul: The Hero Slayer
Shared: Indie · 2D · Platformer

Cuphead
Shared: Difficult · Platformer · Indie

Rain World
Shared: Difficult · Indie · Platformer

Spelunky
Shared: Indie · Platformer · Difficult

Noita
Shared: Physics · Difficult · Indie

LIMBO
Shared: Indie · Platformer · 2D

Webbed
Shared: Physics · 2D Platformer · Cute

SANABI
Shared: Indie · 2D Platformer · 2D

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

Intrusion 2
Shared: Indie · Physics · Platformer

Katana ZERO
Shared: Indie · Platformer · Action

Rogue Legacy 2
Shared: Indie · Platformer · Difficult

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Difficult

Super Meat Boy Forever
Shared: Indie · Difficult · Platformer

BEEP
Shared: Indie · Platformer · Physics

Mark of the Ninja
Shared: Indie · Platformer · 2D