Ener-G Gym Rockets (エナージージムロケッツ) is a Nintendo DS game developed by Konami. It is a rhythm and exercise game that encourages players to stay fit while having fun. The game involves players using the stylus and microphone to interact with a virtual gym, complete with a personal trainer, exercise machines and a variety of mini-games. Players can customize their own workout routine, as well as compete against friends and family in mini-game challenges. The game also features a variety of music to choose from, including songs from the Konami Music Library. With its unique blend of exercise and fun, Ener-G Gym Rockets is a great way to stay fit and have a good time.