Every statement is true.

Find who was alone with the Core

Read the crew’s testimony, place them in the ship’s rooms, and follow the evidence to one solution. How to play defines each rule and testimony phrase and walks through the five deduction techniques.

Daily difficulty rises from Monday through Sunday. The archive lists only approved, released cases. Hints explain supported deductions; checks flag a contradiction across the placed board without naming a culprit or revealing a missing placement.

Progress stays on this device. Optional accounts sync saved progress. Clearance adds earlier archive dates, unlimited on-device training, and a badge on verified share cards. Training solves are verified on the device and earn no daily credit.

Saved cases can continue offline. Web play needs a cached game shell; installed apps include a teaching case and game assets. Server verification and account sync resume when connected. Clearing app or browser data can remove local progress.