Game with a laser pointer and an 8x8 LED matrix

I have seen this Projects – Make: DIY Projects and Ideas for Makers on makezine

Seems really funny. The design Eiji Hayashi is well documented.

brilliant

Congratulations I am sure you have a bright future before you, well done.

Brilliant is right! And with a really beautiful finish too, both hardware and software. Also a clear and concise explanation of the principle and schematics.

Amazing!
It's like magic. Thank you for sharing the secret of how it works.