Why is John Carmack considered such a big deal?

Wolfenstein 3D and Doom were 2D games that "faked" being 3D. It wasn't until Quake that iD and John Carmack released a true 3D game.

Ultima Underworld came out in early 1992, more than 4 years before Quake. Not only did it come out before Wolfenstein 3D and Doom, but unlike those games, it is actually truly 3D. You can look up and down, swim, jump and even fly, features that John Carmack didn't implement until nearly half a decade later with Quake.

Yet John Carmack is routinely credited as a legendary developer for his pioneering work in 3D gaming. Yet it seems he was late to the party and didn't do anything truly groundbreaking. What am I missing here? Did he do something else I'm unaware of?

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u/XxXL337XxX — 21 hours ago
▲ 192 r/survivalhorror+1 crossposts

Why did Resident Evil not allow enemies to travel through different rooms like the survival horror games before it?

u/XxXL337XxX — 2 days ago

Why did it take so long for basic features like ledge grabbing to catch on? Immersive sims had it in the 90's, but only in the last few years did first-person games start including this feature.

The same could be said for other mechanics of immersive sims. Why did they go so ignored?

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u/XxXL337XxX — 4 days ago