Greater than. Less than.
Unequal
Place numbers using comparisons and elimination.
THE OBJECTIVE
Think it through
Fill each row and column with 1 to the grid size without repeats, and satisfy every greater-than or less-than sign.
YOUR CONTROLS
Make your move
Select a cell and enter a digit. Right-click to add pencil marks.
On a phone, use Touch: mark / reverse for a right-click action. Number puzzles include an on-screen number pad.
Choose an easier or harder grid in Type. Use Undo freely. Reveal solution shows the answer; it is a learning aid, not a hint. The timer starts on your first board interaction and stops automatically when you solve the puzzle. Use Finish practice to save an unfinished attempt. Complete 60 seconds of unrevealed practice with at least 3 board actions for the daily streak. Your last puzzle saves in this browser when device storage is available.
Puzzle engine by Simon Tatham and contributors · MIT licence · Full rules ↗