Uploaded January 2024 | Updated September 2026, 12 hours ago

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A fun first time playthrough of Cosmogenesis: the biggest non-joke wad in all of classic doom. Built in resemblance to Okuplok, Cosmogenesis is a giga-slaughter-map that was published in 2021 by NoReason, and is composed of a long sequence of difficult fights chained to one another, with a grand total of 74 thousand monsters to kill.

This is my blind playthrough of the set where I explore these fights for the first time on Ultra-Violence difficulty, and try to survive them without using mid-fight save-games. I've been eagerly waiting for months to play this map, and I'm glad I finally found some free time to do so! Hope you enjoy watching this massive giga-map as much as I enjoy playing it!

Doom on Steam: store.steampowered.com/app/2300/DOOM_II
dsda-doom sourceport: doomworld.com/forum/topic/133096-dsda-doom-v0256-2023-01-15
Cosmogenesis: doomworld.com/idgames/levels/doom2/Ports/a-c/cosmogenesis
Widescreen statusbar: doomworld.com/forum/topic/121385-widescreen-assets-pack-and-appreciation-thread/?page=23#comment-2889114

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Chapters:
00:00 Cosmogenesis
02:09 Fight 1 Start
11:30 Opening The Fortress Doors
21:43 Fight 2 Start

Tags:
#doom #playthrough #twitch