Angry Birds: Seasons (Android)
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All Around the Globe
Unlock Orange Bird.
Aquiline Benefactor
Unlock Mighty Eagle.
Hogs and Kisses: Levels 16 to 18
Successfully complete all fifteen levels and then tap the "Like" button on the screen next to the fifteen levels.
Season's Greeding: Big Present level
Complete all levels with a "three star" rank.
Season's Greeding: Golden Egg level
Collect the Golden Egg on level 1-13.
Season's Greeding: Special trailer
Successfully complete all levels.