Xmas gift proposal for rockers

Are you still double-minded and have no clue what kind of gift you wanna make to your hard rocker friends?

I've got the solution and let you off the hook.

Rock Science is a trivia game about hard rock and metal. The game covers hundreds of bands, from early classic rock to nu metal via thrash metal, NWOBHM and many others. View the tutorial on how to play the game in the product description!

http://www.rockscience.tv/