"Spongy" was one of my inspirations to try something similar in 64 bytes. Of course it's not the same, but "flying through a 3D grayscale orthogonal structure"

"Spongy" was one of my inspirations to try something similar in 64 bytes. Of course it's not the same, but "flying through a 3D grayscale orthogonal structure" is actually possible in 64 https://www.pouet.net/prod.php?which=78044 https://www.pouet.net/prod.php?which=78044