Use the up arrow, down arrow, right arrow, and left arrow to move. Use the left and right arrow keys to look around. If you want to use mouse-lock, go to https://experiments.turbowarp.org/pointerlock/821977440
Thanks to @griffpatch for the tutorial. In this tutorial you will learn: E1: The Basics E2: 3D Levels E3: Sprites in a 3D Maze E4: Sprite Layering E5: Collectables and Enemies That Chase E6: ULTRA FAST Raycasting E7: How to TEXTURE MAP Walls E8: Unlock 3D Mouse Controls E9: Mouse-Pointer Lock E10: EPIC 3D Jumping Game