Classic Sudoku Game. Click on a cell to enter a number. You can enter numbers from 1..9. Every number can only occur once per row, column and 9x9 box. To delete a number using the numeric keypad in the game, you must enter the number again.
Tower of Hanoi puzzle as card game. Move all cards in a single column from 9 descending down to A. You can only move a card onto a higher ranked card or an empty column.
Everyday 3 different Line Game puzzles to solve. Draw a horizontal or vertical line in each white cell. Each black number in a cell represents the total number of cells occupied by the lines from that number. Lines cannot enter other numbered cells or intersect with other lines.