Sgt_Mark_IV is a veteran Doom player who has been making maps and mods for it since 2009. They are mostly famous for their mods Brutal Doom, Brutal Hexen, ArmageDoom, their megawad Hell On Earth Starter Pack (also known as Extermination Day), and many loose maps and contributions for other projects. They have created this Patreon to maintain their Youtube channel, where they showcase and document the mods they develop. If you pledge $2 or more a month you will get access to at least one backup of their mods a month even before they make videos and document them. They usually take several months before releasing open betas of their mods to avoid too many files floating around the internet and causing repeated bug reports and version confusion. Getting access to these backups will get you to play their mods earlier and get more in touch with the development process.
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