Back to the Future is a 1989 video game released by LJN for the Nintendo Entertainment System. The game is loosely based on the 1985 film of the same name. A sequel, Back to the Future Part II & III, was released in 1990. In the single mode game, the player controls Marty McFly through various stages set in 1955 in which he collects various clock icons in order to advance to the next level, and avoid the gradual vanishing of his future (indicated by a fading photograph at the bottom of the screen). If the photograph fades fully, Marty would lose a life as it would show him vanishing. Collecting 100 clocks restored the photograph to its full, unfaded status. Two power-ups can help improve Marty's control: bowling balls that can destroy enemies and a skateboard which can speed up gameplay. There are also three minigames at the end of each stage, featuring such scenarios as Marty repelling Biff Tannen's gang of bullies from a cafe, blocking all the kisses Lorraine sends Marty (in the shape of little hearts), and having to position his guitar properly to stay in tune at the dance in order for George and Lorraine to kiss. The gameplay on these stages is often compared to that of Paperboy.