""A Boy and His Blob: Trouble on Blobolonia is a video game released in 1989 for the Nintendo Entertainment System (NES). The game was developed by David Crane, creator of the Pitfall! series. A Boy and His Blob follows an unnamed protagonist and his shapeshifting blob on an adventure to save the latter's home planet of Blobolonia. The gameplay revolves around feeding the blob different flavored jelly beans to change his shape into various tools in order to overcome obstacles and traverse the game's world.

A Boy and His Blob: Trouble on Blobolonia was followed by a sequel on the Game Boy titled A Boy and His Blob in The Rescue of Princess Blobette. A reimagining of Trouble on Blobolonia was developed and released on the Wii in 2009. The original NES game was also released on the Wii Virtual Console on November 23, 2009 in North America and on December 18, 2009 in the PAL regions.""

Source: Wikipedia, "A_Boy_and_His_Blob:_Trouble_on_Blobolonia", available under the CC-BY-SA License.