Games like Unusual and not safe experiments
Games like Unusual and not safe experiments include Portal, Portal 2, ElecHead, Planet of Lana, and Baba Is You. We matched them by the tags players give Unusual and not safe experiments on Steam (Action, Puzzle Platformer, Puzzle, Pixel Graphics, and Logic): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · Puzzle · Singleplayer

Portal 2
Shared: Puzzle · Singleplayer · Puzzle Platformer

ElecHead
Shared: Puzzle Platformer · Puzzle · Action

Planet of Lana
Shared: Action · Puzzle Platformer · Puzzle

Baba Is You
Shared: Puzzle · Logic · Pixel Graphics

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Pixel Graphics

Out There Somewhere
Shared: Pixel Graphics · Puzzle · Action

LIMBO
Shared: Puzzle Platformer · Puzzle · Singleplayer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Action

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Action

Mind Over Magnet
Shared: Puzzle Platformer · Puzzle · Robots

Unravel
Shared: Action · Puzzle · Singleplayer

I hate this game
Shared: Puzzle · Pixel Graphics · Logic

Gunpoint
Shared: Puzzle · Pixel Graphics · Action

CARRION
Shared: Action · Pixel Graphics · Puzzle

FEZ
Shared: Puzzle · Pixel Graphics · Puzzle Platformer

MO:Astray
Shared: Action · Puzzle Platformer · Pixel Graphics

Haydee
Shared: Puzzle · Action · Singleplayer

The Escapists
Shared: Pixel Graphics · Action · Singleplayer

Moonleap
Shared: Puzzle Platformer · Puzzle · Pixel Graphics

SANABI
Shared: Action · Pixel Graphics · Singleplayer

Clone Drone in the Danger Zone
Shared: Action · Robots · Singleplayer

EDGE
Shared: Puzzle Platformer · Puzzle · Action

Rise of the Tomb Raider™
Shared: Action · Singleplayer · Puzzle