Version 7 of Game Maker contains functions for creating 3-dimensional graphics. This tutorial shows you how to use these functions to create a simple first person shooter in which you can walk through a number of rooms, shooting barrels and monsters that try to attack you. This is an advanced tutorial and requires coding experience in GML. It also requires a pro version of the program.
Advanced.
http://209.85.62.24/413/183/0/p238150/GM_Tutorial___First_Person_Shooter.pdf
