Games like Space Hole 2020
Games like Space Hole 2020 include Bomb Rush Cyberfunk, Viewfinder, Chants of Sennaar, Moncage, and Psychonauts 2. We matched them by the tags players give Space Hole 2020 on Steam (Experimental, 3D Platformer, Colorful, Surreal, and Mystery): closest matches first, and among equally close ones the better-known games.

Bomb Rush Cyberfunk
Shared: 3D Platformer · Colorful · Stylized

Viewfinder
Shared: Surreal · Atmospheric · Psychological

Chants of Sennaar
Shared: Colorful · Atmospheric · Stylized

Moncage
Shared: Surreal · Experimental · Atmospheric

Psychonauts 2
Shared: 3D Platformer · Colorful · Psychological

Firewatch
Shared: Atmospheric · Mystery · Adventure

Wavetale
Shared: 3D Platformer · Colorful · 3D

Pumpkin Jack
Shared: 3D Platformer · Colorful · Adventure

Outer Wilds
Shared: Mystery · Atmospheric · Adventure

The Beginner's Guide
Shared: Atmospheric · Surreal · Indie

In Other Waters
Shared: Atmospheric · Experimental · Indie

Kentucky Route Zero: PC Edition
Shared: Surreal · Atmospheric · Mystery

Hylics
Shared: Surreal · Atmospheric · Indie

Berry Bury Berry
Shared: Surreal · Colorful · 3D

Caravan SandWitch
Shared: Mystery · Colorful · 3D Platformer

Paratopic
Shared: Surreal · Experimental · Atmospheric

Refunct
Shared: 3D Platformer · Atmospheric · Stylized

Creaks
Shared: Surreal · Atmospheric · Stylized

Pseudoregalia
Shared: 3D Platformer · 3D · Stylized

The Witness
Shared: Colorful · Atmospheric · Mystery

VHOLUME
Shared: 3D Platformer · Atmospheric · 3D

GRIS
Shared: Atmospheric · Indie · Colorful

Antichamber
Shared: Surreal · Indie · Atmospheric

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