The game would play as a 2D sidescrolling platformer with elements of a run and gun game as well. The resulting game would be the original Earthworm Jim. In that respect, the game was actually created as a satire of platform video games at the time for instance, 'Princess What's-Her-Name' was a parody of how so many video games had throw-away female characters that exist only to be saved from danger. The game's crazy atmosphere, world, and characters were due to the fact that the company had previously always been restricted to doing licensed games, like 7up's Cool Spot, where they had to conform to the other company's preset limitations.

From there, TenNapel would work on doing the game design, creating level ideas, and voicing Jim's character, while Perry and the other programmers created other characters and game mechanics. Impressed, David Perry and the rest of Shiny bought the rights to Earthworm Jim from TenNapel, and started developing the game. From there, the game's design actually started with creator Doug TenNapel's simple sketch of an earthworm that he presented to Shiny Entertainment. Inspired by the success of the Sonic the Hedgehog series with Sonic the Hedgehog and Sonic the Hedgehog 2, they decided that they wanted to start the franchise as a video game, a rare approach at the time. Playmates Toys, finding success with the license for Teenage Mutant Ninja Turtles, wanted to start their own franchise. Interplay announced Earthworm Jim 4 in 2008 little to no information had been surfaced until May 2019 and August 2020. The series had lain dormant for almost a decade before Gameloft remade the original game in HD for PlayStation Network and Xbox Live Arcade in 2010.

Four games were released in the series: Earthworm Jim, Earthworm Jim 2, Earthworm Jim 3D, and Earthworm Jim: Menace 2 the Galaxy, with the first game released in 1994.

The series is noted for its platforming and shooting gameplay, surreal humor, and edgy art style. Earthworm Jim is a series of platform games featuring an earthworm named Jim who wears a robotic suit and battles the forces of evil.

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