Halloween at the Portal. The Hollow, a haunted cipher maze, is free to play until 2 November. Enter The Hollow

4 stages · Hard · Premium

THE SILENT RUNWAY

📜 Briefing
Years after the final flight, the airfield sits empty, its lights dead and its fences bent. But a faint signal still pulses from the old operations office, and you have traced it here on a moonless night.

The engineer who ran the field vanished, leaving hidden notes in every building. Each one points to the next, and the last may reveal what the network was built to guard.
  1. 1 The Operations Office
  2. 2 Fuel Shed Printout 🔒 opens with stage 1's answer
  3. 3 Control Room Glass 🔒 opens with stage 2's answer
  4. 4 Hangar Terminal 🔒 opens with stage 3's answer

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