Addon only! Cloudsurf Asia Simulations Singapore Changi (WSSS) Airport + City for X-Plane 11 and X-Plane 12 (Windows only). Required specifications and addon details: https://secure.simmarket.com/cloudsurf-asia-simulations-wsss_mega-singapore-scenery-for-x-plane-11.phtml NOTE: All scenery addons must use the lowest "Number of World Objects" setting in graphics, set to "Low," to ensure optimal performance.