The Midnight Star Mystery | 24-Day Christmas Advent Puzzle Game
24 Days. 24 Clues. One Christmas Mystery.
The Midnight Star Mystery is an original, family-friendly interactive Christmas detective adventure. Northglow Village’s treasured Christmas star has disappeared. Open a new Advent case each day, decode clues and uncover what happened before Christmas Eve.
Your instant digital download includes
- Interactive offline HTML game: 24 connected puzzle doors with sequential unlocking, 2 optional hints per case, and a wax-seal clue ledger.
- 24-page printable casebook PDF: a puzzle page for each Advent day.
- Player guide PDF: clear setup, browser and backup instructions.
- Optional answer key PDF: all 24 solutions and the final story, clearly marked SPOILERS.
- Progress backup: export and import your saved progress as a JSON file.
How to play
- Download and extract the ZIP after purchase.
- Open the included HTML game in a modern browser with JavaScript enabled.
- Solve each day in sequence. Play December 1–24, or at your own pace.
- Collect 23 seal letters to discover the Christmas Eve secret.
Ideal for families, couples, teens and cozy puzzle fans. The story is nonviolent and the puzzles are accessible rather than highly difficult.
Important details
Digital download only: no physical parcel. No monthly fee, account or internet connection is required after downloading. This is a standalone HTML file, not a hosted website or mobile app. Browser progress is saved locally; clearing browsing data may erase it, so use the included backup tool. Some mobile devices require opening extracted HTML in a compatible browser instead of the default file preview. PDFs can be printed, if desired.
Licensed for one household's personal, noncommercial use; files may not be redistributed or resold. No live multiplayer or automated daily email delivery is included.