Rovio has released another free content update to Angry Birds Space, the latest instalment in its popular game franchise. The new update expands upon the food planet Utopia series introduced in May, adding two new characters and 20 additional levels. The Orange Bird gets a superhero makeover in this edition and a brand new space egg character is introduced. The update also includes 10 new bonus levels that can be unlocked by achieving three stars on the prior levels and a gigantic new boss fight to test players’ skills. Angry Birds Space is available in separate iPhone/iPod touch and iPad versions: Angry Birds ($1) and Angry Birds HD ($3).