Earthworm Jim PSP was first announced at E3 2006 by Atari, which had obtained the rights to produce an Earthworm Jim game for a handheld console, and a deal with Sony had been made.
Atari announced that Earthworm Jim PSP would be a 2D sidescrolling platformer with elements of a run and gun, similar to the first two games, but now with 3D computer graphics. It would feature characters seen earlier in the franchise, including Queen Slug-for-a-Butt as an enemy, Peter Puppy as an ally, and Princess What's-Her-Name as a love interest for Jim. Billy the Bin would also make a reappearance as one of the bosses.
By August 2006, Earthworm Jim PSP was reportedly at 80% complete, and more complete gameplay was shown in Las Vegas. Many video game journalists had hands-on playable builds of the game, such as GameSpot, GamesRadar, and IGN.
Earthworm Jim PSP was initially scheduled for a late 2006 release, but this was pushed back to early 2007. When the time came around, the releas...