A number puzzle that rewards logic, not luck. Every guess gives you color-coded clues — narrow it down and pop the lock.
A clean logic puzzle with just enough depth to keep you coming back.
Start easy with a 2-digit code and work your way up to a 5-digit expert challenge.
Every guess tells you how many digits are right and how many sit in the correct spot.
Reveal a clue to break a deadlock, or save your points and solve it clean.
A fresh puzzle every day, plus a streak to keep going once you get rolling.
Win in a single guess, clear every difficulty, beat the clock — there's always a next target.
Full support for 13 languages, with adjustable text size and sound effects.
Three steps, and you're playing.
Tap in a combination of digits and submit it.
You'll see how many digits are correct and how many are in the right position.
Use each clue to eliminate options until only the answer is left.
Pick your difficulty, follow the clues, and watch the lock pop open.