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VELOCIA — an open-world arcade racer rendered on the GPU by a hand-written WebGL2 engine: real-time sun shadows, per-pixel lighting, specular water, HDR bloom, ACES tone mapping and rain post-FX under a procedural sky with a day/night cycle and dynamic weather. Free-roam a Mediterranean island of highways, mountain passes, forest and dunes in 10 original cars, race seven event types against AI rivals, and tune your ride in a full garage. No build step, no external libraries.