The puzzle app for number explorers
Ten relaxing number puzzles invite you to solve, compare and discover — with hints, three difficulty levels and no advertising.
Ten little thinking adventures
Every game opens up a new world of numbers
From classic Sudoku to number pictures: Zahlenfunken – Rätselreisen brings familiar puzzles and fresh ideas together.
Puzzle & combine
Sudoku, number pyramids and magic squares reveal patterns and connections.
Compare & understand
Greater–Less–Equal, sum grids and number scales make arithmetic easier to grasp.
Discover & wonder
Number paths, binary grids and number pictures invite you to discover new patterns.
Play at your own pace
A puzzle. A quiet moment. Your path to the solution.
Choose your difficulty, take your time and use the instructions whenever you need them. Saved games, achievements and settings stay on your device.
How it works
Get started in three steps
1. Choose a game
Pick whichever of the ten number puzzles you feel like playing.
2. Place the numbers
Tap numbers and cells in sequence or drag a number into an empty cell.
3. Discover for yourself
Check your approach, use hints and celebrate each problem you solve.
Made for relaxed learning moments
For families and anyone who enjoys exploring numbers
Zahlenfunken – Rätselreisen is made for short thinking breaks as well as long puzzle sessions. No advertising, no online accounts and no transfer of saved games or profiles.
Ready for your next puzzle adventure?
Start with your favourite puzzle and find your own path to the solution.