Get Tresspasser. Demo http://download.cnet.com/Trespasser-dem ... 98932.html . Press Ctrl-F11, write BIONIC and press enter. You will see physics bounding boxes. There are more cheats.
The game sucks, even though You can see heroine tits where is Your life shown ... There is [url=http://bitly.com/jmsrb6?r=bb
]gamasutra article why it was such a fail [/url].
Think, touch, movetype, solid, traceline is what to understand first.
of programming, graphics, gaming, tools ... http://j.mp/bundles/a397723/