Games like Lost Keys
Games like Lost Keys include Portal 2, Portal, Trine 3: The Artifacts of Power, Trine 2: Complete Story, and Dorfromantik. We matched them by the tags players give Lost Keys on Steam (Puzzle Platformer, Precision Platformer, Puzzle, 3D Platformer, and Strategy): closest matches first, and among equally close ones the better-known games.
Portal 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer
Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer
Trine 3: The Artifacts of Power
Shared: Puzzle Platformer · 3D Platformer · Puzzle
Trine 2: Complete Story
Shared: Puzzle Platformer · Puzzle · Action-Adventure
Dorfromantik
Shared: Puzzle · Strategy · Relaxing
Moonleap
Shared: Puzzle Platformer · Puzzle · Minimalist
Monument Valley 3
Shared: Puzzle · Colorful · Precision Platformer
Quantum Conundrum
Shared: Puzzle Platformer · Puzzle · 3D Platformer
Trine Enchanted Edition
Shared: Puzzle Platformer · Action-Adventure · Colorful
Refunct
Shared: 3D Platformer · Puzzle Platformer · Relaxing
Mini Motorways
Shared: Strategy · Puzzle · Minimalist
LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer
ISLANDERS
Shared: Puzzle · Strategy · Relaxing
The Last Campfire
Shared: Puzzle · Adventure · Puzzle Platformer
Monument Valley
Shared: Puzzle · Relaxing · Strategy
Viewfinder
Shared: Puzzle Platformer · Puzzle · 3D Platformer
Strange Jigsaws
Shared: Puzzle · Minimalist · Colorful
Monument Valley 2
Shared: Puzzle · Strategy · Puzzle Platformer
Chained Together
Shared: Puzzle Platformer · 3D Platformer · Adventure
Tinykin
Shared: 3D Platformer · Puzzle · Family Friendly
Supraland
Shared: Puzzle Platformer · Puzzle · 3D Platformer
Bejeweled® 3
Shared: Puzzle · Strategy · Relaxing
Tomb Raider IV-VI Remastered
Shared: Puzzle · 3D Platformer · Precision Platformer
Mini Metro
Shared: Puzzle · Strategy · Minimalist