How 'Doom' Inspired the First-Person-Shooter Game 20 Years Ago

What was the most influential and best First Person Shooter ever released?! Does DOOM deserve the crown, how about Quake or Duke Nukem 3D. Maybe Counter Strike, Half Life or even Halo

Was there a fps before doom? - Quora

Doom Celebrates Its 25th Anniversary, Original Creator Announces Spiritual Sequel/Mod Called Sigil - mxdwn Games

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Top 7 Indie Games Inspired By Doom - The Indie Game Website

How Call of Duty Reinvented The First-Person Shooter - IGN

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Knee Deep in the Dead: The History of First-Person Shooters

How Doom Inspired a New Wave of Retro FPS Games

Steam Community :: Guide :: A Crush Course on Doom