Tales from Space: About a Blob - PlayStation Network

The game involves a species of interstellar gelatinous blobs that travel the universe looking for their next meal. These blobs end up on a distant Earth-like planet that has fallen prey to mass industrialization. Upon landing on this planet the main Blob, which is controlled by the player, is captured by an evil scientist and must then begin the task of escaping, saving fellow Blob friends, and cleaning the planet.