Duke Nukem

Duke began modestly: a side-scrolling MS-DOS platformer released by Apogee Software on July 1, 1991 — programmed by Todd Replogle with Apogee founder Scott Miller producing — with Duke battling the mad scientist Dr. Proton. Distributed shareware-style — first episode free, pay for the rest — it did well enough to earn a sequel. But Duke's true arrival came on January 29, 1996, when 3D Realms released the shareware episode of Duke Nukem 3D, built on Ken Silverman's Build engine, with the full game following that April.

Duke Nukem 3D felt alive in a way other shooters didn't: interactive cities where you could flip light switches, use the toilets, and blow up nearly everything, crawling with aliens and — infamously — strippers. Jon St. John's growling voice work turned Duke into a quote machine, his one-liners lifted lovingly from action movies like They Live, Evil Dead II, and Full Metal Jacket. It sold about 3.5 million copies and became a cultural lightning rod in equal measure: criticized for its violence, erotic content, and portrayal of women, banned in Brazil and, for a time, Australia. For teenage players, that outrage was half the appeal — Duke was gaming's rock-and-roll middle finger, arriving right as the medium was testing how grown-up it could get.

Then came the punchline. Duke Nukem Forever was announced in 1997 as the inevitable follow-up and promptly vanished into development hell, becoming the industry's standing joke and the defining example of vaporware. When it finally shipped in 2011 — fourteen years later — it landed with a shrug. The king never got a worthy second act, but for a few years in the late 90s, nobody was bigger.