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?

Arcade

If you’re a fan of jigsaw, then play this online Jigsaw puzzle with 3 CGI generated scenery pictures. It has multiple difficulty levels, from easy to many pieces. Requires Flash plug in.

Arcade

If you’re a fan of jigsaw, then play this online Jigsaw puzzle with Holiday themed pictures. It has multiple difficulty levels, from easy to many pieces. Requires Flash plug in.

Arcade

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.)

Arcade

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.

Arcade

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.

Arcade

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.

Arcade

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.

Arcade

Based on Mahjong solitaire, have fun matching tiles and solving stacked tiles while learning alphabet, numbering, counting, and pattern recognition. Requires Flash.

Arcade

A modest tic-tac-toe game where you can play against the computer. You can alter the board size. Play 3-by-3 to 5-by-5 games. Java plug-in required.

Arcade

The popular puzzle game with smooth animations and an automatic puzzle solver. Demonstrates A* artificial intelligence technique. Requires Java plug-in.

Arcade

The popular board game with multiple board sizes. Play against the computer. Simple algorithm, suitable for beginners. Requires Java plug-in.

Arcade