У вашего броузера проблема в совместимости с HTML5
in this video I'm going to go over how to build a raycasting game without coding. I"m using a very cheap raycasting Game Engine.
How to build a 3D platformer
https://www.youtube.com/watch?v=ni2X5gdujrs
Check out my other videos about creating games:
https://www.youtube.com/watch?v=7t8MPRuIH8Y
Build your own platformer game
https://www.youtube.com/watch?v=1jMpdjdQiys
SUBSCRIBE! :D