Games like Portal 2
Games like Portal 2 include Portal, Superliminal, Viewfinder, Tomb Raider Game of the Year, and Indiana Jones and the Great Circle. We matched them by the tags players give Portal 2 on Steam (Singleplayer, Platformer, Puzzle, First-Person, and Dark Humor): closest matches first, and among equally close ones the better-known games.
Portal
Shared: Puzzle · Singleplayer · First-Person
Superliminal
Shared: Puzzle · First-Person · Singleplayer
Viewfinder
Shared: Puzzle · Singleplayer · First-Person
Tomb Raider Game of the Year
Shared: Singleplayer · Story Rich · Female Protagonist
Indiana Jones and the Great Circle
Shared: First-Person · Singleplayer · Puzzle
Mirror's Edge™
Shared: First-Person · Singleplayer · Platformer
Human Fall Flat
Shared: Puzzle · Funny · Co-op
Half-Life 2
Shared: Singleplayer · Story Rich · First-Person
A Story About My Uncle
Shared: Singleplayer · First-Person · Platformer
High On Life
Shared: Singleplayer · Dark Humor · First-Person
Supraland
Shared: Singleplayer · Puzzle Platformer · First-Person
Rise of the Tomb Raider™
Shared: Singleplayer · Female Protagonist · Puzzle
Little Nightmares II
Shared: Singleplayer · Puzzle · Story Rich
Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Story Rich
It Takes Two
Shared: Puzzle · Co-op · Story Rich
BioShock Infinite
Shared: Singleplayer · First-Person · Story Rich
The Entropy Centre
Shared: Puzzle · First-Person · Story Rich
Half-Life: Alyx
Shared: Singleplayer · Story Rich · First-Person
Little Nightmares
Shared: Singleplayer · Puzzle · Puzzle Platformer
Amnesia: Rebirth
Shared: Puzzle · First-Person · Singleplayer
Psychonauts 2
Shared: Singleplayer · Story Rich · Platformer
Suicide Guy
Shared: Singleplayer · Puzzle · Funny
Chained Together
Shared: Platformer · Co-op · Puzzle Platformer
The Talos Principle
Shared: Puzzle · First-Person · Singleplayer