Doom II: Ancient Aliens (Ultra Violence 100%) Walkthrough (MAP27: Kingdom of the Crystal Skulls)

This is a commentated playthrough of the Ancient Aliens megawad for Doom 2 for the PC, played through the GZDoom sourceport on the Ultra-Violence difficulty. All of the levels will be played with a pistol start, and all the kills and secrets will be demonstrated. In this video, I play MAP27 - Kingdom of the Crystal Skulls. This video was not actually sponsored by Dan Aykroyd. You can download the mod here: https://www.doomworld.com/idgames/lev...