Solo dev builds hyper-realistic browser jet simulator with Claude Opus 5.5, 25,000 players in two weeks
aCakeShip · reddit · 2026-11-05
A solo developer built a hyper-realistic browser fighter jet simulator, Viper One-One, entirely with Claude Opus 5.5 and fal models. It went viral with 25,000 players in two weeks (1,000 daily flyers) and got featured atop threejs.org.
Key details he shared:
- Fit a GoPro fisheye to real cockpit footage so the cockpit view looks like a real camera
- Wrote a canopy shader with sun-catching scratches and rain beading/streaking when flying through clouds
- Built multiplayer rooms server and a ranked ladder
- Ran multiple agents in parallel (missions, sound fixes, load speed, trailers), each on its own branch with human review before merge
- Profiled slow loading and iPhone crashes and fixed them
Most notable: he let Opus 5.5 run long research sessions and physics simulations of real aircraft behavior, then ported those behaviors efficiently into the browser game.
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