This is based on a classic puzzle where you must try to connect nine dots by drawing four straight lines. You can’t lift the pen and only four lines are allowed. It’s not as simple as it seems. Simple yet mind-bendingly puzzling. Can you solve this puzzle?

In Tic Tac Toe, a player wins if he/she can place three of his/her pawns adjacent to each other, either horizontally, vertically, or diagonally forming a line. Play against the computer, it is rather difficult to beat. (It’s easy to tie.)

The tower is relocating. Pretend to be an engineer, and help to decide which parts should be moved, when, and where. Based on popular AI puzzle.

Test your memory skills by matching set of tiles. Match all the tiles to win. This is a simplified implementation of the classic “concentration” game.

Six people are stranded on a riverside. Help them move across the river safely. Requires some thinking because one group might gang up against the other. Based on a popular A.I. puzzle.

Based on a popular puzzle, place eight queens on a chess board in such a way that they don’t attack each other? A “diva”, err… I mean a queen can attack horizontally, vertically, or diagonally.