Some thoughts on BGE / Interactive Mode & (py)Bullet - Game Engine Support and Discussion - Blender Artists Community
Blender Jiggle Physics Softbody on Vimeo
School physics experiment (3D web interactive) : r/blender
Blender on Twitter: "BGE developer Benoit Bolsee will lead the work on a new real-time interactive mode for Blender 2.8. Featuring physics for simulation, a nodal logic system with event handling, and
Random Blender Physics, Now with 52 percent more Fails! | Physics, Fails, Blender