Opus 5.5 builds a playable FPS prototype from a single prompt
A single prompt produced a working FPS prototype in about 90 minutes, including multiplayer AI bots, though the flight controls are still a bit rough.
🚨 Someone put Opus 5 to the test by asking it to create a first-person shooter… in one single prompt. 🎮🤯 No back-and-forth. No iterative tweaks. Just one request. Roughly 90 minutes later, it returned a working FPS prototype. The demo shows it didn’t stop at the core game it also spun up AI bots that could drop into multiplayer matches. Flight controls still need a bit of polish, but for a one-shot generation the whole thing feels surprisingly complete. The real takeaway isn’t just that it wrote game code. It’s how it pulled together gameplay systems, multiplayer bots, and more into a playable prototype with almost no human guidance. If one shot generation keeps getting this good, rapid AI assisted game prototyping is going to get a lot faster. 🚀