This is a way to freeze/get alot of money or shells, wich is usefull when u are playing challenge or time trial, but it will ruin your game:
1.downlaod artmoney(*) from
www.artmoney.ru
2.install artmoney and run it, make sure to select the "I agree" box
3.run insaniquarium and start a challenge/time trial/adventure or go to you aquarium and note down the amount of shells/coins you have (normally 200 coins)
4. in artmoney, select "insaniquarium deluxe" from the drop down list at the top.
5. press the search button and in the value box enter your coins/shells, press "ok"
6. when the search is completed, go back to insaniquarium and buy something (food, fish,...) and remember your new amount of coins/shells
7. go back to artmoney, press "filter" and enter your new coins/shells in the value box, press "ok"
8. when you have more than 10 results, repeat steps 6-7, otherwise, press the green arrow in the middle
9. buy another thing in insaniquarium, go back to artmoney and see witch row has changed, according to your new coins/shells
10. select that row, rigth-click and select "set value", in the new box, enter any amount (99999) to get more coins/shells
11. this step is optional, but if you want to cheat verry badly, rigth-click the row and select freeze, to freeze your money/coins
(*)artmoney can be used to cheat with other programs too, i have succesfully used it with SimCity3,AOE,Dracula,...