Games like Only Up !
Games like Only Up ! include Chained Together, A Story About My Uncle, Mount & Blade II: Bannerlord, Refunct, and ALTF4. We matched them by the tags players give Only Up ! on Steam (Adventure, Strategy, Casual, Platformer, and Exploration): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Adventure · Casual · Platformer

A Story About My Uncle
Shared: Adventure · Parkour · Platformer

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · Adventure

Refunct
Shared: 3D Platformer · Parkour · Casual

ALTF4
Shared: 3D Platformer · Platformer · Casual

Grow Home
Shared: Adventure · Exploration · Casual

Mount & Blade: Warband
Shared: Strategy · Adventure · Medieval

Totally Accurate Battle Simulator
Shared: Strategy · Adventure · Realistic

Only Up! 1
Shared: Adventure · Strategy · Casual

FEZ
Shared: Platformer · Adventure · Exploration

A Short Hike
Shared: Adventure · Exploration · Casual

BEEP
Shared: Adventure · Platformer · Indie

Plague Inc: Evolved
Shared: Strategy · Casual · Indie

Climber Animals: Together
Shared: Platformer · Casual · 3D Platformer

Hollow Knight
Shared: Platformer · Adventure · Exploration

Pseudoregalia
Shared: 3D Platformer · Exploration · Platformer

Grow Up
Shared: Adventure · Casual · Exploration

PEAK
Shared: Adventure · Exploration · Physics

Valley
Shared: Adventure · Exploration · Parkour

Cairn
Shared: Adventure · Exploration · Indie

Slime Rancher
Shared: Adventure · Exploration · Casual

DAVE THE DIVER
Shared: Adventure · Casual · Exploration

Drifter Star: Evolution
Shared: Casual · Strategy · Adventure

A Hat in Time
Shared: 3D Platformer · Adventure · Platformer