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|
Boost Calculation Guide to use with the page linked above.
- The Bubble Dragon was released on September 8, 2016, along with the Quicksand Dragon, Conch Dragon, Lagoon Dragon, and the Trench Dragon.
- The term "Bubble Babble" mentioned in the Bubble Dragon's description is likely a reference to the 1986 arcade game called Bubble Bobble.
- Bubble Dragon's appearance likely takes inspiration from the characters in said game, Bub and Bob, who are also dragons.