Games like 50 DOORS
Games like 50 DOORS include Monument Valley, Bridge Constructor Portal, Crazy Machines 3, Bloons TD 6, and Totally Accurate Battle Simulator. We matched them by the tags players give 50 DOORS on Steam (Strategy, Puzzle, Hidden Object, 3D, and Emotional): closest matches first, and among equally close ones the better-known games.

Monument Valley
Shared: Puzzle · Strategy · Singleplayer

Bridge Constructor Portal
Shared: Puzzle · Strategy · Physics

Crazy Machines 3
Shared: Puzzle · Strategy · Physics

Bloons TD 6
Shared: Strategy · Singleplayer · 3D

Totally Accurate Battle Simulator
Shared: Strategy · Physics · Singleplayer

Sizeable
Shared: Puzzle · Hidden Object · 3D

Buckshot Roulette
Shared: Strategy · Singleplayer · 3D

The House of Da Vinci
Shared: Puzzle · Hidden Object · Singleplayer

Portal
Shared: Puzzle · Singleplayer · Physics

Zup! S
Shared: Puzzle · Physics · Singleplayer

The Room 4: Old Sins
Shared: Puzzle · Hidden Object · Singleplayer

The Bridge
Shared: Puzzle · Physics · Strategy

Portal 2
Shared: Puzzle · Singleplayer · Physics

Peggle Deluxe
Shared: Puzzle · Singleplayer · Physics

Teardown
Shared: Physics · Singleplayer · Strategy

Hardspace: Shipbreaker
Shared: Physics · Puzzle · Singleplayer

Librarian: Tidy Up the Arcane Library!
Shared: Puzzle · Hidden Object · Singleplayer

Mini Metro
Shared: Strategy · Puzzle · Singleplayer

Poly Bridge 2
Shared: Puzzle · Physics · Strategy

The Last Campfire
Shared: Puzzle · Singleplayer · Emotional

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · Puzzle

ISLANDERS
Shared: Strategy · Puzzle · Singleplayer

The Room
Shared: Puzzle · Hidden Object · Singleplayer

Monument Valley 2
Shared: Strategy · Puzzle · 3D