Lets raise a guinea pig is an Android simulation game developed by Naoya Takemoto. It falls under the games category and specifically the simulation subcategory. The program allows players to raise and evolve their own guinea pig.

The game is completely free with no waiting time, providing instant access to the gameplay. Players are tasked with taking care of their guinea pig by feeding it and helping it grow bigger. There are two types of guinea pigs to choose from: Peruvian and English.

Players have the option to choose between different food options such as pellets, timothy, cabbage, and carrots to feed their guinea pig. Additionally, if the guinea pig drinks a lot of water, a water elf will appear.

One interesting feature of the game is that the color of the guinea pig's poop changes depending on what it eats, with a total of seven different colors. Moreover, if the guinea pig poops a lot, a poop elf will also make an appearance.

Lets raise a guinea pig offers a fun and interactive experience for guinea pig enthusiasts, allowing them to care for and evolve their virtual pet.