Games like Moon Castle
Games like Moon Castle include The Room 4: Old Sins, The Room Three, The Room, Underground Blossom, and Escape Simulator. We matched them by the tags players give Moon Castle on Steam (Adventure, Puzzle, Mystery, and Escape Room): closest matches first, and among equally close ones the better-known games.

The Room 4: Old Sins
Shared: Puzzle · Mystery · Adventure

The Room Three
Shared: Puzzle · Adventure · Mystery

The Room
Shared: Puzzle · Mystery · Adventure

Underground Blossom
Shared: Adventure · Puzzle · Escape Room

Escape Simulator
Shared: Puzzle · Adventure · Escape Room

We Were Here
Shared: Puzzle · Escape Room · Adventure

Servant of the Lake
Shared: Adventure · Puzzle · Escape Room

The Room Two
Shared: Puzzle · Mystery · Adventure

The Past Within
Shared: Puzzle · Escape Room · Mystery

We Were Here Forever
Shared: Puzzle · Escape Room · Mystery

Blue Prince
Shared: Puzzle · Mystery · Adventure

The Room VR: A Dark Matter
Shared: Adventure · Puzzle · Mystery

Outer Wilds
Shared: Mystery · Adventure · Puzzle

Unboxing the Cryptic Killer
Shared: Puzzle · Mystery · Escape Room

Cube Escape Collection
Shared: Puzzle · Mystery · Escape Room

Samsara Room
Shared: Puzzle · Adventure · Escape Room

Sanfu
Shared: Mystery · Puzzle · Adventure

We Were Here Together
Shared: Puzzle · Escape Room · Adventure

Rusty Lake Paradise
Shared: Puzzle · Adventure · Mystery

Tick Tock: A Tale for Two
Shared: Puzzle · Adventure · Mystery

Murders on the Yangtze River
Shared: Puzzle · Adventure · Mystery

Zero Escape: The Nonary Games
Shared: Puzzle · Mystery · Adventure

Sherlock Holmes: The Devil's Daughter
Shared: Adventure · Mystery · Puzzle

Boxes: Lost Fragments
Shared: Puzzle · Mystery · Adventure

