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Mystery Box - Hidden Secrets

Genres: Puzzle, Mystery, Atmospheric, Adventure

Play modes: singleplayer

Release Date: 12-8-2023

Developer: XScoder

steamwebsite

Our verdict

7/10

  • Difficulty: Hard
  • Players: 1
  • Playtime: 3–5 h

Mystery Box - Hidden Secrets is a puzzle-box game from XScoder. Each level is a closed box floating in darkness, covered in handles, wheels, buttons and hidden compartments that you turn and prod until it opens. Clear all eight boxes in a level pack and you assemble a picture that tells the history of a famous invention. It suits solo players who like fiddly mechanical puzzles more than story.

Only 15 people have reviewed it on Steam, 12 of them positively. The single written review sums it up neatly: the goal is simple, opening the box is hard, and the game is both very enjoyable and very frustrating. Players tag it for puzzles, strategy and exploration, which fits boxes that need careful trial and error. A bulb button gives hints when you are stuck.

The evidence is thin, so treat this as a cautious recommendation. At a low price it is a decent pick for fans of The Room-style puzzle boxes who want something smaller and tougher. Skip it if you want rooms to explore, a story or co-op.

Pros

  • Each box is packed with dials, levers and hidden parts to work out
  • Hint button helps when a box will not budge
  • Invention history unlocks as a reward for each level pack

Cons

  • Players describe it as frustrating as well as fun
  • No rooms or story, only boxes in a dark void
  • Very few reviews to judge it by

About

From the Steam store page · View on Steam
Mystery Box is a puzzle game where you have to solve intriguing riddles to open boxes and get pieces to discover the history of the world's most popular inventions.

To unlock the boxes you have to interact with objects, handles, buttons, and wheels on each side. You can find puzzle pieces on a random side of the boxes as well.

Featured in 

The Room games in order, and puzzle-box games to play next

31 Mar 2026

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