RE: how to make computer games
In Quake the models eg the player characters, weapons, pickups etc were done in Maya as it is a VERY powerful 3D animation programmed. The levels will be made using the engine.
Here are some links
The Art of Computer Game Design
[http://www.vancouver.wsu.edu/fac/peabody/game-book/Coverpage.html]
I will have a look over the weekend for some more.
Nikumba