PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 7: JUVENILE DELINQUENCY BASIC, LAN Parties, & Screwdrivers

"Doom was initially distributed through USENET and quickly developed a player culture of modifying levels and appearance."

This supports the section's broader link between gaming, distribution, and hands-on modification without claiming that modding came directly from debugging tools. + Computer History Museum graphics and games timeline dates the Doom event to 1993.

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