The Land Beyond (MAP09) [Doom & Retro FPS Mods] Atmospheric Extinction is a ten-map Doom II PWAD created by Kevin Martins (Velvetic) and released in September 2021. Using OTEX textures and an original soundtrack, it spans three action-packed episodes with interconnected layouts that reward exploration and provide a sense of progression. The gameplay is balanced for pistol starts, and the maps have been tested on PrBoom , Eternity, ZDoom, and GZDoom at complevel 9. The story centers on the arriva