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doom.md

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 Doom is a legendary video [game](game.md) released in December [1993](1990s.md), perhaps the most famous video game of all time, the game that popularized the [first man shooter](first_person_shooter.md) genre and shocked by its at the time extremely advanced 3D graphics (yes, **Doom is 3D**) and caused one of the biggest revolutions in video game history. It was made by [Id Software](id_software.md), most notably by [John Carmack](john_carmack.md) (graphics + engine programmer) and [John Romero](john_romero.md) (tool programmer + level designer) -- all in all the game was developed by about 5 to 6 men in about a year. Doom is sadly [proprietary](proprietary.md), it was originally distributed as [shareware](shareware.md) (a gratis "demo" was available for playing and sharing with the option to buy a full version). However the game engine was later (1999) released as [free (as in freedom) software](free_software.md) under [GPL](gpl.md) which gave rise to many source [ports](port.md) and "improved" "[modern](modern.md)" engines (which however look like shit, the original looks by far the best, if you want to play Doom use Chocolate Doom or Crispy Doom, avoid anything with GPU rendering). The assets remain non-free but a completely free alternative is offered by the [Freedoom](freedoom.md) project that has created [free as in freedom](free_culture.md) asset replacements for the game. [Anarch](anarch.md) is an official [LRS](lrs.md) game inspired by Doom, completely in the [public domain](public_domain.md).
 
+{ NOTE: Some disliked that I "glorify" Doom, a proprietary game -- yes, Doom is proprietary and therefore unethical. Ethical "fixes" exist, namely Freedoom. Here I merely describe the historical significance of "Doom as a concept", it's the same thing as with "Unix" as a concept -- Unix was also proprietary, but its invention was very significant historically, it was a discovery of a certain kind of formula, almost like discovering a law of nature in science. Even if this is initially seized and held by capitalists, later on free clones usually manage to free the concept from the proprietary implementation. Just so we understand each other: I am fully AGAINST proprietary games, but things aren't black and white, a disaster may have historical significance and lead to something good, and vice versa. I am just capturing facts. ~drummyfish }
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 Doom has a cool wiki at https://doomwiki.org.
 
 Only pussies play Doom on low difficulty. { Sorry Ramon, love u <3 :D ~drummyfish }