Tetrasquare is a game that is well known as Shikaku or Rectangles. Tetrasquare is played on a rectangular grid. Some of the squares in the grid are numbered. The objective is to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle. You can get higher points if you finish games faster. There is no time limitation. You will compete best time record with worldwide users. Features - Provides infinite puzzles at all levels. Provides infinite puzzles and you can play it all your life. - You can choose a game level among 7 different levels (6x6 ~ 12x12) - Autosaving Always the status of games will be saved and then you can see the last screen when you restart the game. - Recording game score The score of the game is recorded and managed. - Resetting game If you screw up the game, you can initialize the game. - Supporting 5 languages (English, Korean, Japanese, 2 Chinese) - Various settings Sound Effects On / Off, change the language, etc. - Feedback function You can report a bug or your opinion and are able to communicate with the developer.