Playable 2.5D FPS arena Serra do Sol with simple geometry for floors, walls, stairs, bridges, doors, cover, and tactical routes. RUA DAS BANDEIRAS: colorful Brazilian houses, hanging flags, narrow combat lanes, tactical cover. PRAÇA DO SOL: central plaza, Boitatá altar, open fighting space, multiple entrances. PONTE DA CACHOEIRA: bridge, ravine, waterfall, alternate route, long sightline. Do not generate Serra do Sol as one giant 3D model.