The cases for 2026-10-04
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 2026-10-04 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.
Murder on the Coastal Line — the Fontaine file
EASY · 13 cluesThe night train pulled in one passenger short. The remaining travelers each rode in a different compartment, numbered from the engine back. Reconstruct the carriage. The file names 4 passengers; Leo Fontaine's statement sits on top of the pile.
- 1. Katya Brandt was right next to the passenger with the violin case.
- 2. The passenger with the map tube and the passenger headed to Pinehurst had exactly 1 compartment between them.
- 3. Nils Berg was right next to the passenger headed to Pinehurst.
- 4. Katya Brandt was in the compartment right before the passenger headed to Ashport.
- 5. The passenger with the violin case was right next to the passenger headed to Harborview.
- 6. The passenger with the leather satchel was in the compartment right before the passenger with the violin case.
- 7. Leo Fontaine and the passenger with the hat box had exactly 1 compartment between them.
- 8. Nils Berg was in the compartment right before the passenger with the leather satchel.
- 9. The passenger with the map tube and the passenger headed to Harborview are the same person.
- 10. Nils Berg and the passenger with the hat box are the same person.
- 11. Nils Berg and the passenger with the violin case had exactly 1 compartment between them.
- 12. Nils Berg and the passenger headed to Marrow Bay are the same person.
- 13. The passenger with the violin case was in the compartment right before the passenger headed to Harborview.
The Eclipse Night at Cawdor Observatory — the Aldous file
MEDIUM · 11 cluesEvery dome on the ridge logged the eclipse; only one logged a theft. The star map was there at totality and gone by dawn. Place each astronomer under the right dome. The file names 5 astronomers; Pieter Aldous's statement sits on top of the pile.
- 1. Ottoline Grey and the astronomer tracking the pole star had exactly 1 dome between them.
- 2. The astronomer using the pendulum clock was in the dome right before the astronomer tracking the pole star.
- 3. The astronomer using the prism box was in a lower-numbered dome than the astronomer tracking the pole star.
- 4. The astronomer using the photometer was in the dome right before the astronomer tracking the double star.
- 5. Mira Castellan and the astronomer tracking the pole star had exactly 2 domes between them.
- 6. Ottoline Grey was right next to the astronomer using the field glasses.
- 7. Ottoline Grey was somewhere after Pieter Aldous but before Dr. Halley Vance.
- 8. Pieter Aldous was in a lower-numbered dome than Cyrus Penn.
- 9. Cyrus Penn and the astronomer tracking the new star are the same person.
- 10. The astronomer using the field glasses was in the dome right before the astronomer using the prism box.
- 11. Dr. Halley Vance and the astronomer tracking the comet had exactly 3 domes between them.
A Bad Night at the Velvet Canary — the Delacroix file
HARD · 16 cluesThe night the band played its last set, a book of marked bills disappeared from behind the bar. Every regular sat with a drink in a different booth running the length of the wall. Reconstruct the row, booth by booth. The file names 5 regulars; Fay Delacroix's statement sits on top of the pile.
- 1. The regular flashing the gold cigarette case was right next to the regular pretending to be the dance instructor.
- 2. The regular flashing the alligator wallet was somewhere after the regular flashing the opera glasses but before the regular flashing the engraved lighter.
- 3. The regular drinking the whiskey sour was in a lower-numbered booth than the regular flashing the gold cigarette case.
- 4. The regular drinking the bathtub gin was in a lower-numbered booth than the regular flashing the engraved lighter.
- 5. Fay Delacroix was in a lower-numbered booth than the regular pretending to be the news columnist.
- 6. Carmine Russo was in the booth right before the regular drinking the sidecar.
- 7. Ruby Calhoun was in a lower-numbered booth than Vivienne Marlowe.
- 8. The regular flashing the alligator wallet was right next to the regular pretending to be the bootlegger's cousin.
- 9. The regular pretending to be the bootlegger's cousin was in the booth right before the regular pretending to be the dance instructor.
- 10. Vivienne Marlowe and the regular flashing the alligator wallet are the same person.
- 11. Carmine Russo was in a lower-numbered booth than the regular drinking the mint julep.
- 12. The regular drinking the old fashioned and the regular pretending to be the traveling salesman are the same person.
- 13. Fay Delacroix was in the booth right before the regular flashing the engraved lighter.
- 14. The regular drinking the sidecar and the regular pretending to be the traveling salesman had exactly 1 booth between them.
- 15. Ruby Calhoun and the regular flashing the jeweled garter are the same person.
- 16. The regular drinking the bathtub gin and the regular flashing the gold cigarette case are the same person.
Every Verdict case has exactly one solution, provably reachable by deduction alone, no guessing required. Can you close all three?