BrainMaze
🔍 Cold Case File Beginner

Diamond Mystery

4.9 · 160+ reviews on Etsy
€6.00

A legendary diamond has vanished — and the thief is still in the building. A beginner-friendly cold case for 1–4 players that you can finish in a single evening.

Players 1–4
Difficulty Beginner
Setting Jewel Heist
Evidence pieces 12
Buy directly on Etsy
What's included
  • Printable PDF case file
  • Evidence photos & documents
  • Witness statement cards
  • Detective notebook template
  • Full solution guide
How it works
  1. Download — Pay and receive your PDF instantly. No waiting.
  2. Print — Print on standard A4 or Letter paper. Most games take under 10 minutes to set up.
  3. Play — Follow the host guide, gather your players, and solve the mystery.