The main new feature in Angry Birds: Piglantis is fluid physics: the birds, wood, and glass are buoyant in the water levels however, the pigs and stone are too heavy to rise to the surface and sink down until they are defeated. It was launched on June 14 and is the second summer based episode (the first episode being Summer Pignic). In June 2012, Angry Birds Seasons added their twelfth episode, Piglantis. A Japanese Cherry Blossom episode was announced on February 28, 2012, with a release date on March 7, 2012.

It features the replacement of the Mighty Eagle, the Mighty Dragon, that loops out the structures and defeats all the pigs it is free to use. The third season began in January 2012, when 'Year of the Dragon' was released it is about Chinese New Year. In December 2011, 'Wreck the Halls' was released with 25 Christmas-theme levels also arranged in an Advent calendar setting. In October 2011, we move on with the new season with another Halloween update, 'Ham'O'Ween' was released and introduced a new orange bird, known as Bubbles. In September 2011, 'Moon Festival' (originally “Mooncake Festival”) was released in conjunction with the Chinese Mid-Autumn Festival. Patrick's Day update, entitled 'Go Green, Get Lucky' followed by an Easter update, entitled 'Easter Eggs', in April 2011 and a summer update, 'Summer Pignic', in June 2011. The second season began in February 2011, when Rovio released a Valentine's Day update to Angry Birds Seasons, entitled 'Hogs and Kisses', complete with new themed levels and graphics, as well as the option to send Angry Birds-themed Valentine's Day messages through Facebook. The Halloween version was given the episode title 'Trick or Treat', while the Christmas episode was entitled 'Season's Greedings'. All versions include the previously-exclusive Halloween levels and are offered as separate, stand-alone paid applications, with the exception of the free, ad-supported Android version Angry Birds Halloween users on iOS received the Seasons levels as a free upgrade. Seasons introduced 25 Christmas-themed levels, one for each day leading to the holiday, similar to an Advent calendar. On December 1, 2010, Rovio changed the name to Angry Birds Seasons to iOS, Android, and Symbian 3 devices.

Angry Birds Halloween, exclusive to iOS at the time and a separate game, included levels with Halloween-themed music and graphics. The first season began in October 2010, when Rovio released a Halloween edition. Different level packs have each unique theme and sometimes much different gameplay.

Each level pack represents a different 'season', often based upon different themes and holidays. Small sized pigs are weak and easily defeated, while bigger pigs can sustain more damage. The main targets are the pigs, and they can be defeated if directly fired at, or through other strategies, e.g.: the bird hits a structure that falls on the pig, defeating it. Just as in the original Angry Birds, players use a slingshot to launch an assortment of birds at nearby structures, with the intent of hitting targets located on or within them. However, Bad Piggies was added back in 2020. There have been no new releases since the release of Ragnahog on Decemand it was removed from App Store and Google Play in 2019 with all other Angry Birds games released before Angry Birds Transformers except for Angry Birds Friends. Based on Angry Birds, Angry Birds Seasons was released for devices using Apple's iOS in October 2010 and then it was released on other platforms starting in December 2010. Octo(as Angry Birds Halloween) Decem(as Angry Birds Seasons)Īngry Birds Seasons (formerly Angry Birds Halloween) is the second puzzle video game in the Angry Birds series, developed by Rovio Entertainment. IOS, Android, Symbian, webOS, Microsoft Windows, OS X, Windows Phone, BlackBerry 10, BlackBerry Tablet OS Final iteration of the app icon for Angry Birds Seasons

Angry birds seasons wreck the halls