Easter is less than a week away, so what better time for Rovio to release a special Easter edition of its oh-so-popular Angry Birds than today? Available now for iOS, Android, Palm, and Symbian devices, Angry Bird Seasons is getting an Easter update. The spring-themed version includes 15 new levels with rabbit-ear-wearing piggies and decorative eggs. Customers who have already downloaded Angry Birds Seasons will get the Easter upgrade for free.Rovio really does give its customers the bang for their buck. For just $1, or free for non-Apple-users, you can get a game that continually gives you updates. Angry Birds Seasons started with its Halloween version that gave you 45 levels. Then, we went to the Christmas version that had 25 new levels. And then there were the 18 levels for both Valentine’s Day and St. Patrick’s Day, meaning, there have been 106 levels in Angry Birds Seasons so far, not including the additional 15 in the Easter update bringing us to 121 levels.Rovio added something at the end of its post alluding to a soon-to-be-launched “alternate reality game with Angry Birds.” The company said to be ready to “seek for clues around the world to discover the secrets hidden in Angry Birds Seasons!” We’re intrigued.Read more at Rovio, via PCMag.