Test it like a player
The riddle describes a diagonal across the room. Selecting the four cells on that diagonal opens the lock.
← Lock types
Grid 4x4
Sixteen cells, of which a handful are right. The answer is a shape rather than a sequence, which is what makes it good for anything drawn: a seating plan, a chessboard, a floor of a building, a crossword square.
Create a lock →Grid 4x4
Clue:
Select the four cells on the diagonal, top-left to bottom-right.
Toggle the cells to form the pattern
Wrong answer, try again.
Set the answer
Tap the cells that make the answer. Order does not count, only the set.
Templates
Medium35 min4 steps
Space Station Lockdown
A science lesson disguised as a rescue: restore power, seal the leaking module, steer the capsule and dock. Four steps, one class, real facts about the Moon at the end.
Locks used: Switches, Grid 4x4, Direction (8 ways), Numeric code (PIN)
Available in: EN · FR · ES · CA · PT
Hard50 min5 steps
The Detective Case
A murder mystery for a team-building afternoon or a dinner party: the coded note, the seating plan, the sequence of events, the archive login and the time of the crime. Five steps, one culprit.
Locks used: Written answer, Grid 4x4, Ordered switches, Username and password, Numeric code (PIN)
Available in: EN · FR · ES · CA · PT
Hard15 min5 steps
Lab Lockdown
Fifteen minutes to get out of a sealed laboratory. Five doors: a temperature, four corner trays, three vents in order, a mini sudoku and a five-letter word. One clock, kept on the server, one run per device.
Locks used: Numeric code (PIN), Grid 4x4, Ordered switches, Sudoku, Wordle
Available in: EN · FR · ES · CA · PT