Tank 1 is the first tank in Insaniquarium. It is the most basic of all tanks in the game, having the cheapest egg prices, the cheapest laser costs, and the smallest food chain. The guppy and carnivore are both introduced for the first time here.
|1-1||N/A||$150||The very first level of the game, serving as a tutorial|
|1-2||$500||This level introduces food upgrades and Aliens.|
|1-3||$2000||Carnivores are introduced, as well as laser upgrades.|
|1-4||$3000||Balrog is introduced.|
|$5000||MULTIPLE ALIEN SIGNATURES is first introduced.|
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