Air Island

"What could be more fun than a party in the clouds? Air Island is ready for a celebration. When Monsters arrive, there'll be dancing, singing, and all manner of shenanigans!"

About
Air Island was unlocked in the version 1.0.2 update on September 12th 2012. It is only available for purchase after reaching level 4 and purchasing the Cold Island. It costs 750,000 coins.

Indigenous Monsters
The Monsters of Air Island are of the Air, Earth, Water and Cold elements. They include:

Rocks and Trees
Earn experience points by removing the trees and rocks from the island. Detailed information can be found in the article on obstacles.

Special Occasions
Valentine's arrived on the air island on the 5th of February 2013, along with the Schmoochle monster. The trees, rocks and island also were decorated for the occasion, with hearts, sweathearts and flowers. The seasonal decor is expected to stay for the duration of the availability of the Schmoochle monster - until 15th February 2013.

Castle Upgrades
Upgrade the Castle to unlock more beds. Each monster requires a specified amount of beds, which is equal to the number of elements the monster has,, excluding Electrical and Ethereal Monsters. For full details about the castle upgrades, please see the castle article.

Strategy
While the song of the island is crucial, users may also want to use some of these numbers to help with planning which monsters to feed first and make 100% happy first, as well as plan frequency of coin collection. The numbers below are as follows: It should be noted that Rate is half for 0% happy, and Time is doubled for 0% happy.