? (Doom II) https://www.gog.com/game/doom_ii_final_doom
? (Brutal Doom Mod) https://www.moddb.com/mods/brutal-doom
? (Brutal Doom: Hell On Earth Starter Pack) https://www.moddb.com/mods/recurring-nightmare/downloads/brutal-doom-hell-on-earth-starter-pack ? (Icarus Lives Youtube Channel) https://www.youtube.com/user/ICARUSLIV3S
❓ (Total Chaos) https://www.moddb.com/mods/total-chaos
❓ (Return to Saturn X) https://www.moddb.com/mods/back-to-saturn-x