The cases for 2026-07-31
Three deduction cases — Easy, Medium, Hard. Each has exactly one solution, reachable by logic alone. No guessing, ever. Solve any one to keep your streak.
Play these cases →Case Nº 2026-07-31 is free to play for its first 7 days. After that it moves to the Pro vault, and Pro opens it here or in the app.
The Late Shift at Halloran & Co. — the Stone file
EASY · 11 cluesThe books don't add up — five figures short, one long night. Every employee was at a different desk down the office floor. Figure out who sat where before the auditor arrives.
- 1. Priya Nair was right next to the employee with the double espresso.
- 2. Umar Haddad was somewhere before Priya Nair in the line.
- 3. The one from marketing was in the desk right before the one from sales.
- 4. Wes Porter and the one from sales are the same person.
- 5. The employee with the double espresso was right next to the one from marketing.
- 6. Wes Porter was in the desk right before Priya Nair.
- 7. Priya Nair and the employee with the oat latte are the same person.
- 8. The employee with the oat latte and the one from security are the same person.
- 9. The employee with the lemon tea was somewhere before the employee with the double espresso in the line.
- 10. The employee with the drip coffee was in the desk right before the one from marketing.
- 11. Vera Stone and the employee with the lemon tea are the same person.
The Midnight Bank at the Casino Verlaine — the Laroche file
MEDIUM · 11 cluesA fake high-value chip worth a fortune slipped through the cashier's cage just before the house closed the books. Every suspect sat in a different private gaming room set out in a single long row. Trace the row and unmask the forger.
- 1. Jasper Quaid was right next to whoever stacked the amber chips.
- 2. Émile Tournier was right next to the roulette player.
- 3. The keno player and whoever stacked the pearl chips are the same person.
- 4. The twenty-one player was in the room right before whoever stacked the cobalt chips.
- 5. The craps player was somewhere before whoever stacked the cobalt chips in the line.
- 6. Ingrid Halvorsen was somewhere before Vivienne Laroche in the line.
- 7. The roulette player was somewhere before the mini baccarat player in the line.
- 8. The craps player was somewhere before the twenty-one player in the line.
- 9. Ingrid Halvorsen was somewhere after Jasper Quaid but before Countess Mira Dolin.
- 10. The keno player was in the room right before the mini baccarat player.
- 11. Countess Mira Dolin was right next to whoever stacked the crimson chips.
The Cloister Scandal at Wexford College — the Quill file
HARD · 17 cluesA priceless old book vanished from the college library the night of the founder's feast, and the night porter's keys went with it. Each professor withdrew to a separate room running the length of the old cloister. Reconstruct that night, room by room, before the warden calls a hearing.
- 1. Bursar Quill was in the room right before the scholar reading the treatise on optics.
- 2. Provost Crewe was somewhere before the one who claimed to be at the chapel in the line.
- 3. The scholar reading the star chart was in the room right before the one who claimed to be at the rose garden.
- 4. The one who claimed to be at the rose garden was somewhere before whoever the porter saw at one o'clock in the line.
- 5. Provost Crewe was somewhere before whoever the porter saw at one o'clock in the line.
- 6. The scholar reading the legal codex was somewhere before whoever the porter saw at one o'clock in the line.
- 7. Provost Crewe was right next to the scholar reading the legal codex.
- 8. The scholar reading the anatomy folio was right next to the one who claimed to be at the wine cellar.
- 9. Reader Vane was somewhere before the scholar reading the anatomy folio in the line.
- 10. Reader Vane was in the room right before the one who claimed to be at the scriptorium.
- 11. The scholar reading the anatomy folio was somewhere before whoever the porter saw at one o'clock in the line.
- 12. Bursar Quill and the one who claimed to be at the chapel are the same person.
- 13. The one who claimed to be at the dining hall was right next to whoever the porter saw at twenty to nine.
- 14. Dr. Rosendale and the scholar reading the legal codex were exactly 4 rooms apart.
- 15. Whoever the porter saw at half past eight was somewhere after whoever the porter saw at midnight but before whoever the porter saw at one o'clock.
- 16. The one who claimed to be at the chapel and whoever the porter saw at ten o'clock are the same person.
- 17. The scholar reading the anatomy folio was in the room right before the one who claimed to be at the wine cellar.
Every Verdict case has exactly one solution, provably reachable by deduction alone — no guessing required. Can you close all three?