A bug has been issued on December 7, 2011 in Happy Aquarium. The users have later fixed the game, the game gives you many XP after the fixed bug.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.