Type one of the following codes at any tank screen:

Keep buying coloured guppies. Rear them to full size with the "New fish for sale" trick. Then, sell them. You will get 50% more money then you bought them for. (aka.: 750 shells)

If you buy a guppy from the virtual tank store and name it "Santa" it will sing Christmas songs and drop bags of shells.

Have 2 users, make second user beat level 1, then go to main menu screen, type give and you will see a screen pop up.

When you feed your fish, always drop your food from above. If your fish are not hungry yet, and then they get hungry, they can still chase after that piece of food rather than you dropping another one.

The game uses your system date and time for the Virtual Tank. Change the system time to 11:59:59 p.m. to see the new fish for sale. You can also make fish grow very fast by feeding them three times then advancing your clock to 11:59 p.m. and repeating this process seven times. Note: For this to take effect, you must exit the game and reload it every time you change your clock.

Get 20,000 shells. Brinkly requires you to feed him. When you do so, he will toss up stars which can be converted to money, or used as food to feed your Starcatcher. Stars are not the only things that Brinkley throws. He will throw money in any form, including treasure chests. Note: The more valuable the item, the rarer. Also, he will not throw coins or beetles.

After buying Brinkly, get 25,000 shells. He drops snot that counts as one dollar. In virtual tank, the snot also works as food.

After buying Nostradamus, get 30,000 shells. He will shoot balls at your enemies and do some serious damage.

After buying Stanley, get 35,000 shells. You can click on him to punch your fish or pets around or make your big fish drop a coin.

After buying Walter, get 40,000 shells. With this you can buy the option to bring up to four pets to any level.

Bought for 50,000 shells, Purple Ultravore.

Amp can only electrocute your guppies, which means that if you have another type of fish, you will not risk losing the game. Also, you can tell Amp when to electrocute your tank by clicking on him. He will start by signaling you when he can electrocute the tank by making this electrocution sound, and you will see a yellow lightning mark on his body. If you click on him again, it will turn orange. Another click will make it red, and clicking him again will result in the shocking of your fish.

A good helper combois Niko, Meryl and Vert as a money making team, You can get the maximum money with these.

To change the sandbox mode background, press [Keypad Plus] or [Keypad Minus].

Press [Colon] or [Semicolin] to get Presto in the sandbox.

Ludwig plays Beethoven in Virtual Insaniquarium Deluxe tank. It is a dark blue musical carnivore. There are other musical carnivores. Also, there is a musical guppy.

To make more money, put Angie and Amp in the same tank. When Amp is ready to shock, click on him four times to kill the fish in the tank and get diamonds. Angie will revive the dead fish. You can do this repeatedly.

Play Time Trial. Select Prego, Amp and Angie. While playing, wait until amp had yellow spark on his body, then press Amp 3 times and your guppy will dead, Angie will revive your guppy.

Get a guppy then right click on it 10 time then sell it go to the main menu and click quit. Then make the time 11:59:59 pm, open insaniquarium up again and go to the virtual tank. Now you have your guppy and 10000 shells. Keep doing it if you want more!!