Reactor Coupling, Deck 3

Internal sensors went dark at 03:14. The Reactor crew is awaiting your investigation.

Training · Unlimited practice with Clearance →

Aboard the ship

Look closer. Piece it together.

Every statement is true. Place the crew using their testimony. The crew member alone in the room with the Core is the saboteur.

Start without an account. Hints explain the next deduction, and checks tell you whether your placements can still lead to a solution. Both stay free.

Explore released daily cases in the archive. Released cases dated from six days ago through today (UTC) are free; earlier dates require Clearance. New cases depend on the approved release schedule.

Continue a saved case offline once this browser has cached the game. Installed apps bundle a teaching case. Offline solves await server verification before earning daily credit.

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