Fire alarm control panel
Panel Games
TROUBLE 4 DAILY OPEN
PLAY TODAY'S PUZZLES BELOW
NEW BOARDS EVERY DAY
MODEL PG-4TODAY'S BOARDS ARE FREE
Get the app
The iPhone app has the same four daily puzzles plus a streak for full-panel days. A one-time unlock adds practice boards in every size and every new game we add.
App Store: coming soonOpen Circuit
Turn wire tiles until every device is wired back to the panel with no open circuits.
Silence
Each press flips a horn/strobe and the ones beside it. Silence the whole floor in as few presses as you can.
Resistors
Place one end-of-line resistor in every row, column and zone, with none touching.
Smoke Test
Check every room without opening one full of smoke. Every floor can be solved by logic alone.