Build the highest-quality playable PUBG-style battle royale prototype you can in the browser. Include an original island map, movement, aiming, collectible equipment, simple computer opponents, a shrinking safe zone, health, win/lose and restart. Deliver a working game artifact with clear controls. Source: https://x.com/emmanuel_2m/status/2102717178223235228 (58K 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.