Well, we have two more Mysterious Dungeon Red and Blue Rescue Force scans! Follow the URLs for the first scan and the second scan.
Information on the games, reveal that the initial character is turned into a Pokémon at the beginning of the game, either into a Fire or Water starter, depending on the version you are playing. According to the way some questions that follow up, are answered, the final species is determined. You are then asked to choose a partner and accomplish tasks, using various moves and items, in random dungeons, gaining reputation and accomplishing even more tasks; and who knows? Evolve maybe…
It is also known that the two versions may link-up, when both are inserted into the Nintendo DS, and probably supporting a multiplayer mode as well!