Futoshiki
Use each number once in every row and column.
Example
Example
Follow the increasing chain. Which number belongs between 1 and 3?
Choose a number to try it.
Use numbers 1–4 and compare adjacent squares.
0 of 4 solved on this device
1 puzzle · No time limit
One answer, reached by reasoning alone. No guessing.
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is usedHelp
Use each number once in every row and column. The inequality signs tell you which neighboring number is larger.
Choose a difficulty, then select Start. Hints first show where to look. You decide whether to reveal the reasoning or apply a step. Undo and redo let you revise your work.
Saved on this device
About this practice
Use each number once in every row and column. The inequality signs tell you which neighboring number is larger.
Report a problem
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is used