Games like Up Hike
Games like Up Hike include Celeste, SANABI, Super Meat Boy, Jump King, and Geometry Dash. We matched them by the tags players give Up Hike on Steam (Minimalist, 2D Platformer, Psychological Horror, Precision Platformer, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · 2D

SANABI
Shared: 2D Platformer · Action · 2D

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

Jump King
Shared: Psychological Horror · Precision Platformer · 2D

Geometry Dash
Shared: Precision Platformer · 2D · Psychological Horror

VVVVVV
Shared: Precision Platformer · 2D Platformer · 2D

Webbed
Shared: 2D Platformer · Cute · 2D

I wanna be the Creator
Shared: Action-Adventure · Action · Precision Platformer

Super Bernie World
Shared: 2D Platformer · Psychological Horror · Action

Sonic Superstars
Shared: 2D Platformer · Action · Action-Adventure

Prince of Persia The Lost Crown
Shared: 2D Platformer · Precision Platformer · Action

Super Mombo Quest
Shared: Precision Platformer · Action · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Action

Downwell
Shared: Precision Platformer · 2D Platformer · Action

Trine 5: A Clockwork Conspiracy
Shared: 2D Platformer · Action · Action-Adventure

Ambidextro
Shared: 2D Platformer · Precision Platformer · Action

ANTONBLAST
Shared: 2D Platformer · 2D · Action

Mina the Hollower
Shared: Action-Adventure · 2D Platformer · 2D

Sonic the Hedgehog 4 Episode 1
Shared: 2D · Action · Psychological Horror

The Darkest Tales — Into the Nightmare
Shared: 2D Platformer · Action-Adventure · Adventure

BlazBlue Entropy Effect
Shared: Action-Adventure · 2D · Action

Öoo
Shared: 2D Platformer · 2D · Cute

Sonic Origins
Shared: 2D Platformer · Action · Adventure

Ori and the Will of the Wisps
Shared: Action · Platformer · Action-Adventure