wow, it is soooooo difficult to work with pico and u made it. Sutch an amount of work, its like js with canvas but u use fucking lua in a very powerless enviroment. The game isnt fun enough, like it lack enemies or something. It reminds me a litle of LSD simulator for PS1:
Rather than raycasting in 2d it might have been easyer, faster and less complex (math) to do a 3d matrix projection camera.