The Earthworm Jim series is a series of video games for the Sega Genesis. The games are based on the character Earthworm Jim and his supporting cast of friends. Each game in the series follows a different story, with different challenges and obstacles. Earthworm Jim: The Great Adventure is the first game in the series, and was released in 1992. It was followed by Earthworm Jim 2 in 1993, Earthworm Jim 3 in 1995, and Earthworm Jim 4 in 1998. The games are designed for two to four players and are usually played on a single screen. Players use their Genesis controllers to move Earthworm Jim around the levels, and must avoid obstacles and enemies. The games are considered classic and are frequently played by new and old Genesis owners.