EdgeNumsThe tricky number puzzle for quick breaks
Place the numbers so that every row and column contains each number exactly once – plus one empty cell. The edge numbers show the first visible number from that side.
▶ Play online nowFree, right in your browser – no installation needed.
The Android app is in the works.
Always uniquely solvable
Every puzzle is freshly generated and guaranteed to have exactly one solution – pure logic, no guessing.
Pick your challenge
4×4 to get started, 5×5 and 6×6 in three difficulty levels — from relaxed to really tricky.
Track your progress
Timer, statistics and best times show you how you improve.
How it works
- Fill the grid: every row and every column contains each number exactly once – plus one empty cell.
- Watch the edge numbers: they show the first number visible from that side.
- Reason it out: the clues lead step by step to the only valid solution.