
Fri Mar 06 2026 · 10 min read
Git City, a 3D world where every GitHub developer is a building, had 211 signups a day with a completely flat growth curve. Varnan found the project organically, posted a single 33-second Instagram Reel with no paid deal, and drove 55x growth in daily signups, 19,000+ new developers in 48 hours, and 828K views.