For sure, the grid room is just an overt reference lol.
Nipper's more bizarro maps occupy the same brain space as LSD for me, so they're definitely in the mix.
Super super rad, I enjoy how much you were able to take the concept and run with it, using the language of a retro kart racer to make a bunch of unique moments and scares.
Super interesting world to explore and fun controls to explore it with, love it