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Manic Miner is a classic platform video game that was originally released in 1983 for the ZX Spectrum computer. The game was created by Matthew Smith when he was just 17 years old, and it quickly became one of the most popular games of its time.

In Manic Miner, the player controls a character named Willy as he navigates through a series of caverns, collecting objects while avoiding obstacles and enemies. The game is known for its challenging gameplay, colorful graphics, and catchy soundtrack.

Manic Miner was followed by a sequel, Jet Set Willy, which was also created by Matthew Smith and released in 1984. This game continued the story of Willy as he tried to clean up his mansion after a wild party.

Matthew Smith's contributions to the video game industry were significant, as he was one of the pioneers of the platformer genre and helped to establish many of the conventions that are still used in modern games. However, his career was short-lived, as he struggled with addiction and personal problems that prevented him from creating any major games after Jet Set Willy. Despite this, his legacy lives on through his influential work on Manic Miner and other classic games.