Yes exactly! The game is entirely rendered in one fragment shader. By the way I made a small video showing each step of the process of creating the environment and visuals in the shader:
That's amazing, thank you!
I've been meaning to get better at making shaders, maybe this summer will be the time for that.
Just out of curiosity, how are you making the shaders? Is it a program (like Unity's ShaderGraph) or through a language like HLSL?
I am using the language GLSL (with WebGL). If you're interested, I recommend this introduction to shader programming: