42 software development, design, maintenance, programming, engineering, research and writing services; advisory and consultancy services relating to computer software and computer software development, design, maintenance, consultancy, programming, engineering, research and writing; computer software development, design, maintenance, consultancy, programming, engineering, research and writing; computer game and video games development services; creation of 3D computer models being computer graphics design services; computer game software design services; design and development of computer game software, video games software for use with computers, and virtual reality software; design of computer programs, video games, and virtual reality software; development, hosting, and maintenance of online social network software and software for virtual reality-based virtual worlds; data mining services; computer programming services for gathering, processing, monitoring, managing and reporting information concerning usage and performance of software, computer applications, computer and video games, websites, software for virtual reality-based virtual worlds and computer-based audiovisual content; computer programming services for gathering, processing, analysing, managing and reporting information concerning online, internet and web site activity; computer programming services for designing, developing, modifying and improving computer software, applications, computer and video games, websites and audiovisual content; development of computer software for use by others for gathering, processing, monitoring, managing and reporting information concerning usage and performance of software, computer applications, computer and video games, websites, software for virtual reality-based virtual worlds and computer-based audiovisual content; software development, design, maintenance, software programming, engineering, research and writing in the field of computer and video games; advisory and consultancy services relating to computer and video games software