A Flash animated version of the classic game of chess with three levels of difficulty.
Author: Armand Niculescu
Instructions: Use your mouse to click on the piece you want to move then click on the square where you want the piece to go to.
Create a path of rotating gears to fix the machine in this spatial awareness puzzle.
In this spatial awareness puzzle a dragon shoots out fire, acid and ice to melt objects away.
If you thought Sudoku could present a challenge, checkout this numbers puzzle.