opus 5.5 just built this entire game from one prompt

opus 5.5 just built this entire game from one prompt gray boxes → real physics → pixel art → sound → polish no Unity. no Godot. no sprite editor. one HTML file, every frame is code here's the exact prompt template, grab it and build your own ↓ <inputs> Ask me for: a one-line game idea, the core verb (jump, dash, shoot, dodge), and one visual style (pixel art, flat vector or paper cutout). </inputs> <direction> A tiny arcade game a stranger understands in 5 seconds and plays for 5 minutes. Build it in the order a real studio would: gray-box prototype first, art only after the loop is fun. Six colors max on a strict pixel grid. Every action gets feedback: squash and stretch on jumps, dust on landings, screen shake on impacts, a pop on every pickup. Banned: placeholder art in the final build, deaths without a visible cause, floaty physics, random spawns that make a run unfair, anything that feels like a template. </direction> <structure> Core loop: run → jump on the beat → clear…