Croket! DS - Tenkuu no Yuusha-tachi (天空の勇者たち, lit. The Heroes of the Sky) is a Nintendo DS game developed by Red Entertainment and published by Sega in 2008. It is a strategic role-playing game featuring the characters from the Croket! franchise. Players take on the role of Croket, a young boy who is transported to a magical world filled with monsters, puzzles and traps by a mysterious force. Players must use their wits and the help of their friends to explore the world and battle against the monsters while they search for a way to return home. The game features a turn-based battle system, where players must strategically use their characters' abilities and items to defeat the monsters. The game also features a card-based mini-game, where players must create a deck of cards to battle against the monsters. Players can also explore the world in 3D, and find items and secrets to help them on their quest. They must also use their wits to solve puzzles and collect items to progress in the game. Croket! DS - Tenkuu no Yuusha-tachi is a unique and captivating game that offers a great mix of strategic role-playing and puzzle-solving. It is a great game for those who enjoy a challenge and are looking for an engaging and fun experience.