Insaniquarium! Aliens in My Fish Tank

In the game, the player must manage a tank of guppies and other aquatic creatures, insaniquarium and each stage begins with two guppies in the tank. Guppies and other fish drop coins, which can be collected by the player and used to purchase fish food and upgrades, such as more aquatic creatures, food that can keep the fish full for a longer period of time, and laser upgrades to repel attackers.