Angry Birds has been no stranger to spin-offs and multiple installments, as titles like Angry Birds RioStar WarsBad Piggies, and many more have brought numerous new additions to the series, with the latest spin-off set to arrive this fall.

Angry Birds Stella, announced by developer Rovio earlier this year, is officially set to release in September 2014 for mobile devices as the latest entry in the popular series. Rovio mentions Stella is "fun, feisty, and always up for a challenge," and that Angry Birds Stella will also be adding five other new birds to join her, with various new abilities, since "they are best friends forever...most of the time."

Angry Birds Stella is set to release for mobile devices in September 2014.