Paper Games groups several press games for free. Come sharpen your brain with Sudoku, Takuzu (also known as Binairo) and the classic Plus-or-Less! Our games are aimed at a wide audience, from the youngest beginners to the greatest experts. The main objective? Provide you the best possible user experience by transforming the digital surface into a support as pleasant and fun as the newspaper games section . The rules of the different puzzles are very simple: Sudoku A sudoku grid contains nine rows and nine columns. It is subdivided with nine blocks of nine boxes. The purpose of the game is to fill the boxes with numbers from 1 to 9, always making sure that the same number can appear only once per column, per line and per block of 9 squares. Takuzu Available for grids of size ranging from 4x4 to 14x14. Each grid must be completed with 0 and 1 respecting three rules: • There must not be more than two identical digits next to each other • Each row and each column must contain an equal number of 0 and 1 • Two rows or two columns can not be identical More or less Available for grids ranging from 6x6 to 9x9. The two mathematical signs smaller than ( < ) and larger than ( > ) will allow you to complete the grid with numbers from 1 to 6/7/8/9 according to the grid size. Be careful, the same number can only be used once per row and column. Every puzzle has just one correct solution. Main features ☆ Unlimited undos. Made a mistake? Just put it back quickly! ☆ Pencil mode allows you to make assumptions ☆ The eraser allows you to correct an error ☆ Hints guide you throughout the game Main parameters ☆ Limitation (or not) of the number of errors ☆ Error display in real time or at the end of the game only ☆ Highlighting a row and a column related to the selected cell ☆ Highlighting impossible combinations Highlights ✓ An infinity of well-formed puzzles ✓ Auto-save. If you leave a sudoku unfinished it will be saved. ✓ Four levels of difficulty perfectly balanced: easy, average, difficult and insane ✓ Support both phones and tablets ✓ Portrait and landscape mode for tablets ✓ Simple and intuitive design with several themes. Choose one of four appearances for a better playing comfort, even in the dark ✓ Ability to generate other puzzles on the fly