Pokémon Mystery Dungeon: Red Rescue Team

From Pokemon - NeoWiki

Pokemon Mystery Dungeon: Red Rescue Team
North American Box Art
Developer	Chunsoft
Publisher	Nintendo
Platform	Nintendo DS
Release Date(s)	September 2006 (NA)
Genre	Dungeon RPG
Rating	(E) Everyone

About the Game:

Based off he long-running series of Mysterious Dungeon games by Chunsoft, this multi-title release (Red Rescue Team for the GBA, Blue Rescue Team for the DS) is an adventure game with semi-turn-based exploration of dungeons featuring characters from the Pokemon universe. It's up to the Rescue Team (Red in the GBA version, Blue in the DS version) to save Pokemon who've found themselves in trouble. While one of your goals is to figure out what exactly turned you into a Pokemon, you've also got to help Pokemon as Part of the Rescue Team. You start off serving your duties with your original partner Pokemon at your side, but as you progress, more Pokemon join the Rescue Team and become selectable.

Features

An exciting and dramatic story pulls you into a world of Pokémon without humans.
Use various moves and items to complete your rescue missions and increase your rescue team's reputation.
Meet more than 380 Pokémon on your journey. Become friends with them and call upon them for help whenever needed.
Strategic battles enhance the adventures as you explore deep dungeons and towering mountains.