Elebits - Kai to Zero no Fushigi na Tabi (Japan), or エレビッツ～怪とゼロの不思議な旅～ (Japan) is an action-adventure game released for the Nintendo DS in 2007. The game follows a young boy named Kai and his robot companion, Zero, on their adventures as they explore a mysterious world filled with strange creatures called Elebits. The player takes control of Kai, who uses his special vacuum gun to collect the Elebits scattered throughout the world. The Elebits, which come in various sizes and colors, are used to power up various objects and machines, allowing the player to progress through the game. The game also features various mini-games and puzzles that the player must complete in order to progress. Players can also customize their robot companion Zero and equip him with various gadgets and upgrades. Elebits - Kai to Zero no Fushigi na Tabi (Japan) is an exciting and engaging game that is sure to keep players entertained for hours.