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Wait, isn't Mode 7 3D? There is a tutorial at http://www.yoyogames.com but that is another game creator but it has a FPS Tutorial With Mode 7 but u have to find it. I just wanted to tell u that.

Mode 7 is simulation of 3D, it uses algorithm to make the illusion of a flat plane.
The bonus on the SNES, is that it only used one layer, so there was 3 layers left for the game, the sprite layer, a tile layer and a BG layer