The Vilecore for The Ultimate Chex Quest is a conversion of DooM Dude's 2000 DooM megawad The Vilecore currently underway by Boingo the Clown, and TrueDude. The conversion is being performed with the permission of DooM Dude, the original author.
VC4TUCQ is a 32 level megawad. When completed, it will require The Ultimate Chex Quest in order to run properly.
It is currently on Release 2, with 11 of the 32 maps completed.