Download links in Description!...
This is a tutorial to help you get started creating your own interactive planks physics game using Blender 2.5.

Blender 2.5 (free and open source):
http://www.blender.org/

Tutorial .blend File (Blender 2.5 Basic Planks Physics Game):
http://blendupload.com/download/3a6a300ad0564c8c80f02247762b042e
UnZip and open with Blender 2.5, read instructions in upper right window.
NOTE: Contains two scenes (Tutorial scene and extra Rook scene)

Please post questions in this forum thread:
http://blenderartists.org/forum/showthread.php?t=204482

Other links:
Sintel (Animated Movie created using Blender):
http://www.youtube.com/watch?v=eRsGyueVLvQ
Bullet Physics programmer's library (free and open source):
http://www.bulletphysics.com/