In the final chapter, you must link systems to open the city roof.
: Insert all four plugs into the sockets at the base of the computer to open the secret room where B-12 is stored. Chapter 12: Control Room (System Link) stray-game-link
: Push the panel off the wall to the left of the console to reveal and scratch more wiring. In the final chapter, you must link systems
: Walk across the rows of keyboards to light up all monitors blue. Stepping on a lit monitor will turn it off, so move carefully. Break the Locks : Find the three yellow padlock monitors. : Walk across the rows of keyboards to
: On a shelf to the right of the computer. Use the moved cart to reach it.
The phrase "" typically refers to the Chapter 3: The Flat puzzle where you must link the cat's consciousness to the B-12 drone by finding power packs, or the Chapter 12: Control Room sequence where you link systems to open the city . Chapter 3: The Flat (Unlocking B-12)