Providing temporary use of non-downloadable software featuring game creation tools for the creation of 2D and 3D games, virtual reality, augmented reality and mixed reality games; Providing temporary use of non-downloadable computer game software; Design and development of gaming consoles; Providing temporary use of non-downloadable computer software for video game development and operation; Providing temporary use of non-downloadable computer software for virtual reality interaction; providing temporary use of non-downloadable software for creating game mods, computer games, online games, online computer applications and multiplayer computer games; providing temporary use of non-downloadable software for users to create, play, share and collaborate on video games; providing temporary use of non-downloadable software for users to upload, modify and share game assets, virtual reality, augmented reality and mixed reality content; Providing temporary use of non-downloadable software for editing multiplayer games in real time; providing temporary use of non-downloadable software for game physics simulation; providing temporary use of non-downloadable software for recording, storing, transmitting, receiving, displaying and analyzing data from virtual reality headsets and motion tracking sensors; Providing temporary use of non-downloadable software for developing virtual reality, augmented reality and mixed reality applications; Online computer game server hosting services; design and development of open source computer game software