Futoshiki

If you were seduced by sudoku, prepare for futoshiki fever - The Guardian
Futoshiki may look straightforward, but the experienced puzzler knows not to be fooled by appearances.
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A simple and challenging puzzle game that will enhance your mental flexibility! With beautiful graphics and killer features, Futoshiki Free is the best brain-teaser puzzle for iPhones and iPads.
DUAL KEYPAD ENTRY
Two separate keypads, one for entries and one for notes, allow you to enter values quickly and easily. No more tedious switching between entry mode and note mode to complete your puzzle.
MULTIPLE PUZZLE SIZES AND DIFFICULTY LEVELS
Six puzzle size, from 4x4 to 9x9, Four difficulty levels, from easy to extreme, ensure that you will be able to find a puzzle that matches your skill level. Top class puzzles with selectable level of difficulty. With 6,000 total puzzles, you won't run out of puzzles any time soon.
ONLINE LEADERBOARDS
Thanks to Game Center, you can now rank and compare futoshiki scores against friends and other puzzle lovers.
ERROR CHECKING
The error checker tells you when you have entered an illogical value, allowing you to catch errors early and preventing needless frustration.
GAME FEATURES
- Thousands of puzzles in 4 different difficulty settings.
- Six different puzzle size, from 4x4 to 9x9.
- Game Center support for leaderboards.
- Great statistics that help track your progress.
TECHNICAL FEATURES
- Futoshiki is a universal app, it works on iPhones, iPods and iPads seamlessly.
- Futoshiki has graphics for Normal, Retina and even Retina-HD displays. No blurry graphics. Everything is crystal clear. Download now to see it with your own eyes.
WHAT IS FUTOSHIKI
- Futoshiki is a grid puzzle similar to Sudoku in that each column and row must contain exactly one instance of each number.
- The only difference being that in between some squares there are less-than and greater-than symbols that act as clues.
- At the beginning only some squares are revealed, the player must discover the rest.
- Each puzzle has an unique solution and no guessing is required to discover it.
- It is very popular in Japan, England, China and several other countries.

Download Futoshiki for Free!