Games like Alien Video Game Scientist
Games like Alien Video Game Scientist include Portal 2, Portal, Viewfinder, Supraland, and Chained Together. We matched them by the tags players give Alien Video Game Scientist on Steam (Puzzle Platformer, Collectathon, Minimalist, Funny, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle Platformer · Puzzle · Platformer

Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Viewfinder
Shared: Puzzle Platformer · Puzzle · First-Person

Supraland
Shared: Puzzle Platformer · Puzzle · First-Person

Chained Together
Shared: Puzzle Platformer · Platformer · Funny

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

Human Fall Flat
Shared: Funny · Puzzle · Puzzle Platformer

A Hat in Time
Shared: Collectathon · 3D Platformer · Funny

SpongeBob SquarePants: Titans of the Tide
Shared: 3D Platformer · Funny · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

The Talos Principle 2
Shared: Puzzle Platformer · Puzzle · First-Person

Supraworld
Shared: Puzzle Platformer · Puzzle · First-Person

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

Tinykin
Shared: 3D Platformer · Puzzle · Funny

TY the Tasmanian Tiger
Shared: Collectathon · 3D Platformer · Platformer

Quantum Conundrum
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Tomb Raider IV-VI Remastered
Shared: 3D Platformer · Puzzle · Platformer

Climb The Backrooms
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Corn Kidz 64
Shared: Collectathon · 3D Platformer · Action-Adventure

Manifold Garden
Shared: Puzzle · Puzzle Platformer · First-Person

Chromatic Conundrum
Shared: Puzzle Platformer · Minimalist · Puzzle

Psychonauts
Shared: Platformer · Funny · 3D Platformer

Bubsy 4D
Shared: Collectathon · 3D Platformer · Funny

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