Coin per minute:
|Lvl. 1||Lvl. 2||Lvl. 3||Lvl. 4||Lvl. 5||Lvl. 6||Lvl. 7||Lvl. 8||Lvl. 9||Lvl. 10|
|Lvl. 11||Lvl. 12||Lvl. 13||Lvl. 14||Lvl. 15||Lvl. 16||Lvl. 17||Lvl. 18||Lvl. 19||Lvl. 20|
|February 27, 2012||March 2, 2012|
|December 18, 2012||January 14, 2013|
|December 13, 2013||January 13, 2014|
|December 18, 2014||January 19, 2015|
|December 10, 2015||January 19, 2016|
|February 26, 2016||March 2, 2016|
|December 15, 2016||January 25, 2017|
|June 21, 2017||June 27, 2017|
|November 27, 2017|
|Affiliated Decoration: Astrolabe|
- The Leap Year Dragon is the first limited epic dragon.
- The Leap Year Dragon's adult stage gained the ability to walk on the habitat as of an unofficial update on Decemeber 18, 2012. The baby stage also gained the ability to fly above its habitat.
- The Leap Year Dragon is the first limited epic dragon with the Rainbow element.
- The Leap Year Dragon's description states, "over the rainbow". This is likely a reference to Somewhere Over the Rainbow, a song from the movie The Wizard of Oz.
- The Leap Year Dragon's description states, "over the moon". This is likely a reference to Hey Diddle Diddle, a nursery rhyme with the line "the cow jumped over the moon".
- The Leap Year Dragon's breeding and incubation times of 14 hours and 30 minutes, when written as 14.5 and doubled to 29, is likely a reference to "leap day", which falls on February 29.