Games like UPBEAT
Games like UPBEAT include Portal 2, Geometry Dash, Portal, Refunct, and LIMBO. We matched them by the tags players give UPBEAT on Steam (Platformer, Puzzle Platformer, Score Attack, Rhythm, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Puzzle Platformer · 3D Platformer

Geometry Dash
Shared: Rhythm · Platformer · Precision Platformer

Portal
Shared: Puzzle Platformer · 3D Platformer · Physics

Refunct
Shared: 3D Platformer · Puzzle Platformer · Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Indie

Chained Together
Shared: Platformer · Puzzle Platformer · 3D Platformer

AudioSurf
Shared: Rhythm · Score Attack · Colorful

ALTF4
Shared: 3D Platformer · Platformer · Physics

Climber Animals: Together
Shared: Platformer · Puzzle Platformer · Physics

SONIC X SHADOW GENERATIONS
Shared: Platformer · 3D Platformer · 3D

Defy Gravity Extended
Shared: Platformer · Puzzle Platformer · Indie

Neon White
Shared: Platformer · 3D Platformer · Precision Platformer

Lunistice
Shared: Platformer · 3D Platformer · Score Attack

Celeste
Shared: Platformer · Precision Platformer · Indie

Trine 2: Complete Story
Shared: Puzzle Platformer · Platformer · Physics

Melody's Escape
Shared: Rhythm · Colorful · Music-Based Procedural Generation

140
Shared: Platformer · Rhythm · Indie

Only Climb: Better Together
Shared: Platformer · 3D Platformer · Precision Platformer

Super Meat Boy 3D
Shared: Platformer · Precision Platformer · 3D Platformer

hololive Treasure Mountain
Shared: Score Attack · Puzzle Platformer · 3D Platformer

Trine 3: The Artifacts of Power
Shared: Puzzle Platformer · 3D Platformer · Platformer

EDGE
Shared: Puzzle Platformer · Platformer · 3D Platformer

Thomas Was Alone
Shared: Platformer · Puzzle Platformer · Precision Platformer

Music Racer
Shared: Rhythm · Music-Based Procedural Generation · Colorful