Angry Birds - Birdday Party, Theme 18 Levels 1 to 15 video walkthroughs

Forget Christmas presents for a moment - Rovio has a whole host of birthday gifts just waiting for you today.

To celebrate Angry Birds's second birthday, the Finnish developer has updated its high-flying game with 15 new levels.

Guess what Rovio's called this anniversary chapter? Go on.

Yep, Birdday Party. Groan.

Quick as a flash, we - with some assistance from the nice folks over at AngryBirdsNest - have uploaded a series of videos to help you overcome the Birdday Party blues.

Many thanks, chaps.

18-1
18 - 2
18 - 3
18 - 4
18 - 5
18 - 6
18 -7
18 - 8
18 - 9
18 - 10
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18 - 12
18 - 13
18 - 14
18 - 15