What's New in Version 2.6.6. Apps for Earth: Protect Oceans with Angry Birds. Rovio, Apple, and WWF are working together to protect life on our planet. |--| From now until April 24, WWF will receive 100% of the proceeds from your purchase of the WWF Pack in the shop. |--| There is also a special level and a spell available for the duration of the campaign. If you don't see them, just keep playing. They unlock after level 10 (special level) and 13 (spell). Teach those pigs a thing or two about respecting our oceans!.