The web version of Insaniquarium was an online game developed by Flying Bear Entertainment. The link to play Insaniquarium on PopCap's website is now an error page. When you finish Tank 2-5, the game will end.
- The King Guppies do not have crowns.
- The fist-punching sound is not heard when Rufus or Itchy attacks any alien.
- No music is heard in the game.
- The pet that you will receive is random after you complete the level.
- Destructor is given the same tyrannosaurus rex roar and shares the same noise with Sylvester and Balrog.
- King Guppy
- Star Guppy
The pets that you receive in the online version are all random: