just a raycaster i made :
This is nice, and quite fast too compared to others i've seen! (at least on my computer)
but I saw you are using the SETTING: STAGE SIZE block (in the RENDER block) and that uses javascript, so I have to manually turn on JS every time to prevent an error. but just use this:
and it does the same thing WITHOUT JS.
thx 
youre welcome :)
Update!
i made it so that it renders walls using sprites and stretching
the drawback is that the performance is WOOORSE
ill figure it out
you can check it out and if you can help, ill appreciate it
another update lol!
whats new :
fixed fov displaying weirdly
you should probably delete the post where you told everyone to use JS extensions