Build a polished playable Sonic-style 3D platform game for the browser. Include a fast character, rings to collect, ramps, jumping, hazards, checkpoints, score and restart. Make speed and platforming feel satisfying. Deliver a working browser artifact. Adapt the source Godot task to the browser. Source: https://x.com/AiBattle_/status/2095994051354919049 (1.5M views observed 2026-10-01). Adapted recreation brief based on the public post, not a verbatim original prompt or replication of its model versions. Use the models selected in Evals.