Wake on a beach at sunrise on a tropical island and walk anywhere you can see: a dense rainforest, a 20 m waterfall with a pool you can swim in, a fishing village of stilt huts and outrigger canoes, basalt sea cliffs and a lighthouse on the 214 m summit. Nothing to win. A 30-minute day runs from sunrise to a moonlit night, rain squalls roll in and clear, and the sound follows where you are, down to footsteps that change with the ground. The sea is a WebGPU compute simulation and there is a photo mode. The textures and props are Poly Haven scans and the character is Microsoft Rocketbox with Quaternius animations. Made with Claude Opus 5.5 in Cursor. Needs WebGPU (Chrome or Edge) and a desktop GPU. WASD to move, mouse to look, Shift to sprint, Space to jump, P for photo mode. Gamepad works too.