W and up arrow for forward. S and down arrow for back. left arrow to turn left right arrow to turn right. A to Strafe right. D to Strafe left. O to open levels. C to close levels. 1 or level 1. 2 for level 2. 3 for 3. 4 for 4. 5 for 5. if needed the number next to the level list is what you press. Adjust Res for graphics dust Fov for field of view.
10/5/26 initial release. Raycaster hidden and Levels added.
