Go into full screen if you want, this is not a game, I will use it as a menu for my games made with My 3D engine for Scratch 1.0. 3D engine controls: w, a, s, d to move, arrow keys to look around, o to close 3D engine.
Go here https://archive.org/details/os_20201022_202010 and here https://scratch.mit.edu/projects/437232297/ for more information. You can use this and my 3D engine only if you give me credit.