Downloadable software for buying, selling, and trading virtual goods and content, namely, image files containing artwork relating to avatars and virtual worlds and downloadable computer game software for virtual worlds featuring social games authenticated by non-fungible tokens (NFTs); Downloadable computer software for administration of computer networks; Downloadable computer game software via a global computer network and wireless devices; Downloadable computer software for application and database integration; Downloadable computer software for computer system and application development, deployment and management; Computer hardware and recorded computer software programs sold as a unit for the integration of text, audio, graphics, still images and moving pictures into an interactive delivery for multimedia applications; Downloadable computer software for the databasing, visualization, manipulation, virtual reality immersion and integration of geographic information with on-line member communities; Downloadable games that accept virtual or monetary wagers sold as a feature of downloadable game software