Okuplok is a mapper known for creating the 'Okuplok Slaughter Map' (untitled2) in Doom, which features 23,211 demons and is considered one of the most challenging levels in the game's history. Players have attempted to complete the level without dying, saving, or leaving any enemies standing for thirteen years, adhering to the UV-Max challenge rules. Coincident is a notable player who has developed strategies to successfully navigate the level on Ultra Violence difficulty, culminating in a six-hour run where he completed the map by defeating the final enemies.