Video games have also been adapted into films, beginning in the early 1980s. Films closely related to the computer and video game industries were also done in this time, such as "Tron" and "Cloak & Dagger", but only after the release of several films based on well-known brands has this genre become recognized in its own right. Video game films can take several forms, such as live-action works like "Super Mario Bros.", traditionally animated such as films based on the "Pokémon", or computer-animated such as '. There also exist Original Video Animations (OVAs) based on popular games such as ', "Halo Legends", "" which may be released direct-to-video.