Use left and right keys to turn, ws or up and down arrow to move forward and backward, and ad keys to move left and right. FOV changes the field of view, RES changes the line resolution, the lower the better, Jitter changes the corners' jitter, but also slows down the game, even if you have a powerful pc.
This is a test that I thought would be fun to upload to class projects. I was using this in the upcoming Scratch project that I am making, but I changed to be part of a group of 2. Thanks to Griffpatch's raycasting tutorial on youtube!