Games like Psikodelya
Games like Psikodelya include Antichamber, The Witness, Manifold Garden, Moncage, and Superliminal. We matched them by the tags players give Psikodelya on Steam (Indie, Casual, First-Person, Psychedelic, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Antichamber
Shared: Indie · First-Person · Puzzle

The Witness
Shared: First-Person · Puzzle · Indie

Manifold Garden
Shared: First-Person · Puzzle · Surreal

Moncage
Shared: Casual · Indie · Puzzle

Superliminal
Shared: First-Person · Puzzle · Surreal

Assemble with Care
Shared: Indie · Casual · Puzzle

Viewfinder
Shared: First-Person · Puzzle · Singleplayer

Morphopolis
Shared: Indie · Casual · Puzzle

GRIS
Shared: Indie · Great Soundtrack · Singleplayer

Mountain
Shared: Indie · Casual · Singleplayer

Slime Rancher 2
Shared: Singleplayer · First-Person · Casual

Samorost 1
Shared: Casual · Surreal · Puzzle

FEZ
Shared: Indie · Puzzle · Casual

Little Inferno
Shared: Indie · Casual · Singleplayer

Portal 2
Shared: Singleplayer · First-Person · Puzzle

Glass Masquerade
Shared: Casual · Indie · Puzzle

Zup! S
Shared: Casual · Indie · Puzzle

Chants of Sennaar
Shared: Indie · Puzzle · Singleplayer

Slime Rancher
Shared: Singleplayer · First-Person · Casual

Donut County
Shared: Indie · Casual · Puzzle

LIMBO
Shared: Indie · Puzzle · Puzzle Platformer

Portal
Shared: First-Person · Puzzle · Singleplayer

Hylics
Shared: Indie · Psychedelic · Surreal

Umurangi Generation
Shared: Indie · Casual · First-Person