Planetokio 2

Planetokio 2 (released in in Japan as Tokyo Wakusei Planetokio 2: Dīpu no Himitsu) is a role-playing action-adventure video game developed by OutSide Directors Company and published by Northwood Interactive (Asmik Ace Entertainment in Japan). It is the sequel to 1999's Planetokio, and was released for the PlayStation on July 27, 2001 in Japan, September 25, 2001 in North America, and October 6, 2001 in Europe. Planetokio 2 takes place after the events of the first game, and follows Iken meeting his long-lost mother Trixie and he and his friends must defeat the new mutant aliens from outer space.

Levels
There are 7 different levels in Planetokio 2, with each level taking place on a different island. The game begins in Nerima Shouten (Iken's home island, where Rai Rai Ken is located)

Trivia

 * The new Collect Alien characters in Planetokio 2's beta footage and concept cover were the Lost Souls from Tong Nou's brain, like Hyo and Retsu. The actual released game has entirely new (and creepier!) Collect Aliens.
 * In this sequel, Naomi gets turned into a cantaloupe by a mystery mutant Collect Alien near the end of the game.
 * In this sequel, Stamp Robot's head is missing and he panics to find it in Level 2, where you must fight a gorilla to get it back.