- The Moon Flag was released on November 5, 2011, along with the Sun Dragon, Moon Dragon, Sun Flag, Sun Habitat, and the Moon Habitat.
- On December 21, 2012, the Moon Flag was decorated with holiday decorations for a limited time.
- On February 1, 2013, the holiday decorations on the Moon Flag were removed.
- Initially, the Moon Flag was available at level 10, but the level availability was changed on October 9, 2013, to level 12.
- The Moon Flag's description states, "It bears no resemblance to delicious dairy snack foods." This is likely a reference to the lore that the moon appears to be made of cheese.