Fortnite: Epic Games Announces Zero Build, A New 'No-Build' Mode For The Battle Royale - Game Informer

It's now live in-game.

Fortnite introduces permanent no-build mode with Zero Build

Going through wayback machine, I found a PVP concept image from March 10, 2014 : r/FortNiteBR

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🔴LIVE Fortnite Zero Build Battle Royale Game play JOIN UP!! 😈🔥

It would be convenient if there was a button to toggle builds in the fill/ranked menu, here's a rough edit of what that could look like : r/FortNiteBR

Only the OGs will remember the original plans for fortnite : r/gaming

Fortnite introduces permanent no-build mode with Zero Build

Zero Build - Battle Royale by Epic - Fortnite