Gachapin Challenge DS (ガチャピンチャレンジDS) is a puzzle game released exclusively in Japan for the Nintendo DS. The game is based on the popular Japanese animated series Gachapin and Mukku, which follows the adventures of two characters of the same name. In the game, players take on the role of Gachapin and Mukku and must solve a series of puzzles to progress. The puzzles range from simple mazes, to more complex logic and math puzzles. The game also features several mini-games and a two player battle mode. The game boasts colorful graphics, cute characters, and easy to understand game play. The game is suitable for all ages, and is a great way to introduce younger players to the world of puzzle games. The game also features a variety of difficulty levels, allowing players to challenge themselves as they progress. Overall, Gachapin Challenge DS (ガチャピンチャレンジDS) is a great game for those looking for a fun and challenging puzzle game. The game is full of unique puzzles and mini-games, and the colorful graphics and cute characters make it a great game for all ages.