Angry Birds Online- Angry Birds Halloween, exclusive to iOS at the time and a separate application from the main game, included new levels with Halloween-themed music and graphics. In December 2010, Rovio released Angry Birds Seasons to iOS, Android and Symbian^3 devices.Seasons introduced 25 Christmas-themed levels, one for each day leading to the holiday, similar to an Advent calendar. 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.
Rovio launched Angry Birds Rio in March 2011.In this version, based on the 20th Century Fox animated film Rio, the Angry Birds characters appear in Rio de Janeiro and interact with characters from the film. Angry Birds Rio initially included two chapters including a warehouse chapter entitled "Smuggler's Den" and a jungle chapter entitled "Jungle Escape", but it has been updated with additional chapters and levels including a beach chapter entitled "Beach Volley", a carnival chapter entitled "Carnival Upheaval", an airfield chapter entitled "Airfield Chase", and one more chapter as "Smuggler's Plane."
A special version of the game, called Angry Birds Magic, will be developed exclusively for Nokia's NFC-enabled Symbian devices. This version of the game will include functionality that will unlock game levels upon contact with another NFC-enabled phone running the game.Angry Birds and its characters have been featured in advertisements for other products. In March 2011, the characters began appearing in a series of advertisements for Microsoft's Bing search engine. At the 2011 South by Southwest festival in Austin, Texas, Nokia used scrims on a downtown building to project an advertisement for its new N8 handset that included the game's characters. A June 2011 T-Mobile advertisement filmed in Barcelona, Spain included a real-life mock-up of the game in a city plaza, while Nokia used the game in Kuala Lumpur, Malaysia to promote an attempt to set a world record for the largest number of people playing a single mobile game.