Real-time simulation of over 200 Spherical particles, which collide both with their environment and each other in a physically realistic manner, and still runs at a consistent 30 FPS on modern hardware. This is possible by using GMNewton - The free 3D Physics DLL for Game Maker. This wrapper for Newton Game Dynamics is very powerful, and extremely easy to use. Get it now at http://gmc.yoyogames.com/index.php?showtopic=375858