About This Game Insaniquarium Deluxe is the craziest aquarium game ever - tend to your fish and keep them happy and they'll reward you with precious coins and jewels. Use the money you earn to buy upgrades for your tank or egg parts which hatch lots of different in-tank pets with special powers. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank and wreak havoc.