COMES WITH NO CASE. Pokemon Mystery Dungeon Explorers of Sky is a role-playing video game published by Nintendo for the Nintendo DS platform in 2009. Set in the Pokemon universe, players navigate through various puzzles and battles to explore the Mystery Dungeons in the skies. The game is part of the popular Pokemon series and is suitable for all ages, making it a great choice for fans of the franchise looking for an engaging and immersive gaming experience on their handheld console. The game also includes a manual for players to familiarize themselves with the gameplay.