There was one posted a few weeks ago. 128 bytes is incredibly impressive. You may not care, the world may not care, but reducing code so much is a work of art
For comparison, here's a 256 byte raycaster targeting the commodore 64. The included assembly source is considerably more readable and enlightening, but it also doesn't feature texture mapping like this one:
http://www.pouet.net/prod.php?which=61298