Jet Set Willy II: The Final Frontier is a platform game released in 1985 by Software Projects for a variety of 8-bit home computers. It was the only official sequel to Jet Set Willy, one of the most successful and popular home computer games ever released. Officially, Jet Set Willy II: The Final Frontier is the last of the Miner Willy series, although numerous unofficial sequels, remakes, homages and updates have been released, even up to this day.