The cases for 2026-09-19
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 2026-09-19 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 Haddad file
EASY · 13 cluesOvertime was mandatory the night the accounts were cooked. Every employee swears they never moved from their desk. Fine. Then the desks will testify. Work out the row, end to end. 4 employees, 4 desks, and no two accounts that quite agree — start with Umar Haddad.
- 1. Abel Mwangi was right next to the employee from security.
- 2. Umar Haddad and the employee with the sparkling water had exactly 2 desks between them.
- 3. The employee with the cold brew was somewhere after the employee with the green tea but before the employee with the sparkling water.
- 4. Umar Haddad was at the desk right before the employee with the cold brew.
- 5. Priya Nair was at the desk right before the employee from facilities.
- 6. The employee from IT was somewhere after the employee from security but before the employee from procurement.
- 7. Abel Mwangi was at the desk right before the employee from procurement.
- 8. Vera Stone and the employee with the green tea had exactly 2 desks between them.
- 9. Abel Mwangi was at the desk right before the employee with the americano.
- 10. The employee with the cold brew was at a lower-numbered desk than the employee from procurement.
- 11. The employee with the green tea was at the desk right before the employee from IT.
- 12. The employee with the cold brew was right next to the employee from security.
- 13. Abel Mwangi was at a lower-numbered desk than the employee from facilities.
The Midnight Bank at the Casino Verlaine — the Crane file
MEDIUM · 12 cluesThe Verlaine does not lose, so when the books came up light, the house locked the doors. A row of private rooms, a floor of practiced faces, one forged chip. Unmask the forger, room by room. Statements were taken from all 5 players; Dashiell Crane's is the first page.
- 1. The baccarat player was in the room right before the keno player.
- 2. Dashiell Crane was right next to whoever stacked the silver chips.
- 3. Cordelia Frost and whoever stacked the onyx chips are the same person.
- 4. The solitaire player was in a lower-numbered room than the roulette player.
- 5. The roulette player was somewhere after the keno player but before the blackjack player.
- 6. Émile Tournier was in the room right before the solitaire player.
- 7. The baccarat player was right next to whoever stacked the pearl chips.
- 8. Whoever stacked the onyx chips was in the room right before whoever stacked the silver chips.
- 9. Émile Tournier was right next to the solitaire player.
- 10. The solitaire player was right next to whoever stacked the silver chips.
- 11. Ingrid Halvorsen and whoever stacked the bronze chips are the same person.
- 12. Dashiell Crane and whoever stacked the pearl chips had exactly 2 rooms between them.
The Cloister Scandal at Wexford College — the Quill file
HARD · 15 cluesBy the time the chapel bells rang, every story matched: locked library, missing volume, a corridor of scholars who saw nothing. The rooms know better. Place every professor before the college calls its hearing. 5 professors, 5 rooms, and no two accounts that quite agree — start with Bursar Quill.
- 1. The professor reading the Greek primer was in the room right before the professor reading the volume of sonnets.
- 2. Bursar Quill was in the room right before the professor who claimed to be at the observatory.
- 3. Dean Holloway was right next to the professor who claimed to be at the wine cellar.
- 4. The professor reading the map of antiquity and whoever the porter saw at ten o'clock had exactly 3 rooms between them.
- 5. The professor reading the book of hours was right next to the professor who claimed to be at the boathouse.
- 6. Chaplain Sykes was in the room right before Tutor Penhallow.
- 7. Dean Holloway was in the room right before whoever the porter saw at half past ten.
- 8. Chaplain Sykes and the professor reading the map of antiquity had exactly 2 rooms between them.
- 9. Whoever the porter saw at eleven o'clock was in a lower-numbered room than whoever the porter saw at ten o'clock.
- 10. Bursar Quill was in the room right before Magister Finch.
- 11. The professor reading the map of antiquity and whoever the porter saw at eleven o'clock are the same person.
- 12. The professor who claimed to be at the lecture theatre was right next to whoever the porter saw at half past ten.
- 13. Chaplain Sykes and the professor who claimed to be at the wine cellar had exactly 1 room between them.
- 14. The professor reading the treatise on optics was in the room right before whoever the porter saw at midnight.
- 15. Bursar Quill and the professor reading the book of hours had exactly 2 rooms between them.
Every Verdict case has exactly one solution, provably reachable by deduction alone, no guessing required. Can you close all three?