Tamagotchi: Party On! is a party game for the Nintendo Wii centered around an election in Tamaworld. Players assume the roles of various Tamagotchis as they engage in mini-games and complete good deeds to gain popularity. The objective is to become the most favored Tamagotchi and secure the presidency by amassing the highest number of votes.
It is time for a new president of Tamaworld, and the Tamagotchis are setting up an election to see who it will be. The planet is abuzz and some of the characters want to be president. The election managers hold a competition for whoever can do the most good deeds, become the most popular Tamagotchi on the planet and get the most votes. The Tamagotchis set off to become the most popular Tama on the planet and the title of President!