We now have an Flash animation in the “How it works” section, to further illustrate the fundamental principals behind GPS.

>>Watch the animation!

While you're at it, why don't you check out our interactive Hangman game?

>>Play the hangman game!

Play to learn GPS and learn to play our crossword game!

>>Play the crossword game!

Have confidence in your memorizing ability? Try this out!

>>Play the matching game!

See how much you've learned by taking our GPS quiz!

>>Take our GPS quiz !

Try to "reconstruct" the GPS device!

>>Play the sliderpuzzle Game 1

>>Play the sliderpuzzle Game 2

>>Play the sliderpuzzle Game 3

Don't miss out our interview with Mr. Eric Lee, a GPS user in U.S !

>>Watch the video!