Angry Birds: Upgrade

This is a new game released on May 1, 2013. You can upgrade your birds after completing 15 levels in the game.

Birds

 * First Phase → Second Phase → Third Phase (→ indicates a bird getting upgraded.)
 * Red Bird → Furious Bird → King Red
 * Blue Bird → Super Splitter Bird → Infinite Multiplier Birdie
 * Yellow Bird → Speed-o-light Harm Bird → Doom Killer Bird
 * Black Bird → Super Exploder Bird → Destucto Blaster
 * White Bird → Egg Smash Basher Bird → Infinity Egg Birdie
 * Boomerang Bird → Come-back Attack Bird → Behind-your-back Death Bird
 * Big Brother Bird → Iron and Steel Bird → Tough Guy Bird
 * Orange Bird → Super Balloon Birdie → Lava Lock Birdie
 * Ice Bird → Frosty Birdie → Blizzard King
 * Pink Bird → Bubbly Birdy → Bubble Bubble Queen
 * Matrix Bird → Bigger Binary Bird → Hypno-master Bird
 * Silver Bird → Lightning Looper Bird → Three-Sixty Trailblazbird

Pigs

 * Small Pig
 * Medium Pig
 * Large Pig
 * Helmet Pig
 * Moustache Pig
 * King Pig
 * Fat Pig