Use WASD to move. W and S are used to move forward and back. A and D are used to turn left and right.
CodingWithChris for the tutorial. He and Griffpatch are two magic men when it comes to tutorials. I made simple edits to the engine, like adding lighting (not shadows), a minimap, a render distance chooser, and a floor. Don't just use the minimap to do the maze. The minimap is just there to help you, as I got kind of panicky when I didn't know where I was.