PNF-404

PNF-404 is the name the Koppaite gave to the planet that Olimar lands on in Pikmin,Pikmin 2 and Pikmin 3, it is the natural habitat of the Pikmin as well as many other lifeforms, most of them being hostile to the capitains and the Pikmin alike. before Pikmin 3, the planet lacked a proper official name and was often referred to as the Planet of the Pikmin or the Pikmin Planet.

Before the games
In an interview with Shigeru Miyamoto, he states that PNF-404 is earth in a state where humans are extinct, meaning that the planet was inhabited by humans some times before the events of the games.

Pikmin
In the first Pikmin game, Olimar crash lands on this uncharted planet during his vacation after his ship, the S.S. Dolphin is struck by an asteroid. Due to the planet's atmosphere filled with high quantity of oxygen, which is toxic to Olimar and his people, he must rebuild his ship and escape the planet before his life support system fails. Olimar succeed to leave the planet with a relic from the human society (a bottle cap) for his son.

Pikmin 2
In Pikmin 2, Olimar is forced to returns to the planet by the President of Hocotate Freight with his new companion, Louie, in search of treasure (mosly relic from the human civilization) in order to rescue the very company he works for, Hocotate Freight, from bankruptcy.

Pikmin 3
In Pikmin 3, the inhabitants of Koppai discover the planet and name it PNF-404, Alph, Brittany and Charlie are sent to the planet in hope of finding fruit to save their planet from starvation.

Geography and life
Since the planet is earth, PNF-404 is a continental world with all sorts of climate and life form, even if the majority of the life-forms shown in the Pikmin games is on the scale of insects, the most known life form being the Pikmin.

for a complete list of the life on PNF-404 see : List of Pikmin enemies

Super Smash Bros. Brawl
In Super Smash Bros. Brawl the stage known as "Distant Planet" take place on PNF-404

3DS version
In the 3DS version the stage "Distant Planet" is returning from Brawl

Wii U version
In the Wii U version the stage known as "Garden of Hope" is inspired by the Garden of Hope from the Pikmin series which is also a location found on PNF-404

Trivia

 * Strangely enough, the Geiger Counter from the first Pikmin is constantly in action, implying that there is strong and constant radiation.
 * The planet did not have an official name before Pikmin 3.
 * Despite the fact that no moon is ever seen from the surface, Olimar confirms in one of his voyage logs from the first game that the planet does, in fact, have a "pale white moon". It can be seen in the Pikmin 3 intro.
 * "PNF-404" comes from an internet error code, "Error 404 - Page Not Found".