A colourful number puzzle adventure
Spin the dials.
Crack the code.
Solve sums, spot patterns, follow logic clues and crack secret codes. Spin the golden number reels to unlock a fresh little challenge.

How to play
A little thinking. A few quick turns. One satisfying unlock.
Read the puzzle
Read the sum, spot the sequence, or study the clues to work out the code.
Spin the reels
Swipe each number reel up or down until the highlighted digits show your answer.
Press CHECK
Correct digits lock in gold. Adjust the rest and try again to open the lock.
Four ways to play
Number Lock
Solve the sum and dial the answer, from simple addition to multiplication and division.
Sequence Lock
Spot the pattern and dial the next number in the sequence.
Logic Lock
Follow the clues to find the one code that fits them all.
Code Breaker
Use higher-or-lower hints to crack the secret code. Can you solve it in four checks?
Come back for the Daily Code
Crack a new six-digit code each day, with the same challenge for everyone. Earn bonus stars and coins, then unlock four- and five-reel puzzles as you progress.
Your progress is saved on your device. The game includes ads provided by Google AdMob. Read the privacy policy.