I would put anti-chamber in a similar genre as a subversion of traditional gaming expectations, and of course the stanley parable's creator also made "Dr. Lang

I would put anti-chamber in a similar genre as a subversion of traditional gaming expectations, and of course the stanley parable's creator also made "Dr. Langeskov, The Tiger, and the Terribly Cursed Emerald: A Whirlwind Heist" which is its own weirdness, and might also not be considered a game, but game-themed art.