Lock 1 of 5
Bring every dial to its mark
Press the controls and watch what changes. Nothing here is explained: working out the hidden rule is the lock. The same press may not do the same thing twice.
0 Mark 0
0 Mark 2
0 Mark 1
0 Mark 1
Your progress saves on this device.
Stuck?
A nudge asks you a question instead of giving the rule. Three per lock, never counted against you.
New to this kind of lock? Try the warm-up.