Games like Squirrel Jump
Games like Squirrel Jump include Celeste, Rogue Legacy 2, Momodora: Reverie Under The Moonlight, SANABI, and Geometry Dash. We matched them by the tags players give Squirrel Jump on Steam (Runner, Side Scroller, 2D Platformer, Racing, and Parkour): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · 2D Platformer · Platformer

Rogue Legacy 2
Shared: Arcade · Platformer · Difficult

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Difficult

SANABI
Shared: 2D Platformer · Adventure · Action

Geometry Dash
Shared: Difficult · 2D · Platformer

Super Meat Boy
Shared: 2D Platformer · Difficult · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Super Meat Boy Forever
Shared: Runner · Difficult · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Side Scroller · Difficult

Hollow Knight
Shared: Platformer · Difficult · 2D

Blasphemous 2
Shared: Difficult · 2D Platformer · Side Scroller

Haste
Shared: Parkour · Runner · Racing

Turbo Pug
Shared: Side Scroller · Runner · Difficult

Spelunky 2
Shared: 2D Platformer · Platformer · Difficult

JumpJet Rex
Shared: Side Scroller · Runner · 2D Platformer

Rain World
Shared: Difficult · Platformer · 2D Platformer

UFO 50
Shared: Arcade · 2D · Strategy

Webbed
Shared: 2D Platformer · Platformer · Cute

Broforce
Shared: Platformer · Side Scroller · 2D

Downwell
Shared: 2D Platformer · Platformer · Arcade

pureya
Shared: Side Scroller · Arcade · 2D

Vector
Shared: Parkour · Runner · Platformer

Nitro Express
Shared: Side Scroller · 2D Platformer · Runner

SpeedRunners
Shared: Racing · Platformer · Parkour