Games like Jumpbound
Games like Jumpbound include A Story About My Uncle, VHOLUME, Refunct, Portal 2, and White Knuckle. We matched them by the tags players give Jumpbound on Steam (3D Platformer, Precision Platformer, Atmospheric, Sci-fi, and Mystery): closest matches first, and among equally close ones the better-known games.

A Story About My Uncle
Shared: Atmospheric · Adventure · 3D Platformer

VHOLUME
Shared: Atmospheric · 3D Platformer · Parkour

Refunct
Shared: 3D Platformer · Parkour · Atmospheric

Portal 2
Shared: Platformer · Singleplayer · 3D Platformer

White Knuckle
Shared: 3D Platformer · Precision Platformer · Parkour

Firewatch
Shared: Atmospheric · Adventure · Mystery

Portal
Shared: 3D Platformer · Sci-fi · Singleplayer

Neon White
Shared: 3D Platformer · Platformer · Parkour

Outer Wilds
Shared: Mystery · Atmospheric · Adventure

Valley
Shared: Adventure · Singleplayer · Atmospheric

Celeste
Shared: Precision Platformer · Platformer · Singleplayer

Metal Garden
Shared: Atmospheric · Sci-fi · Mystery

Mirror's Edge™
Shared: 3D Platformer · Parkour · First-Person

What Remains of Edith Finch
Shared: Atmospheric · Mystery · Singleplayer

BETON BRUTAL
Shared: 3D Platformer · Precision Platformer · Atmospheric

The Talos Principle
Shared: Sci-fi · Atmospheric · First-Person

ROUTINE
Shared: Sci-fi · Atmospheric · Singleplayer

The Room
Shared: Atmospheric · Mystery · Singleplayer

GRIS
Shared: Atmospheric · Platformer · Adventure

Stray
Shared: Atmospheric · Adventure · Singleplayer

Hollow Knight
Shared: Platformer · Atmospheric · Singleplayer

Hot Lava
Shared: Precision Platformer · 3D Platformer · Parkour

Return of the Obra Dinn
Shared: Mystery · Atmospheric · Singleplayer

Hypogea
Shared: 3D Platformer · Atmospheric · Adventure