Did you download and play Sonic Xtreme Returns? If you did and you enjoyed it, it may surprise you to know that my new space shooter game RETROPIA is made from the exact same engine! You can check that out here http://gamejolt.com/games/retropia/125647 Now these 2 games are completely different RETROPIA is a super fast paced space shooter and Sonic is a running style game but this is exactly why i released the game as open source. I want others to be able to create something amazing, and with a little practice Sonic Xtreme Returns Open Source can help you do just that! So go ahead and start making your masterpiece now! Also head on over to my games page and check out RETROPIA if you havent already!