Angry Bird Rio

http://www.rio-themovie.com/angrybirdsrio/
Angry Birds Rio was release on 22 march 2011.This game has new levels,new awards and a silmular storyline to Rio the beginning of the storyline is when the angry birds gets trapped in a cage and was taken to Rio. The first world of the game is" smugglers den".You have to make the cages open and this is much harder than "Angry Birds".The next level is"Jungle Escape". To complete the level you have to make the monkeys die. This is harder than the first world.The monkeys can try to climb back on to the platform and tilt the Glass,Wood and Stone bake strait.

Angry Birds Seasons

http://www.rovio.com/index.php?page=blog
This is a game on iphone and ipod.This game is simular to"Angry Birds-Season Greetings".Except this has two new levels.They are"
"go Green,Get Lucky' and"Hogs and Kisses.It also has "Trick or Treat" and "Season's Greetings"Levels.

Angry Birds

http://www.rovio.com/index.php?page=angry-birds

“Lemme tell ya, these ain’t no ordinary finches we’re talkin’ about. These here are the Angry Birds, the ones that’s gonna kick you in the ‘nads. And they’re the ones on your side. They must be from Galapadapados, or sumptin’.” – Col. Angus, Bird Expert.

The survival of the Angry Birds is at stake. Dish out revenge on the green pigs who stole the Birds’ eggs. Use the unique destructive powers of the Angry Birds to lay waste to the pigs’ fortified castles.
Angry Birds features hours of gameplay, challenging physics-based castle demolition, and lots of replay value. Each of the 120 levels requires logic, skill, and brute force to crush the enemy.
Protect wildlife or play Angry Birds!
 From:Rovio website