Keroro RPG - Kishi to Musha to Densetsu no Kaizoku Japan - NDS - RPG

When Keroro and Tamama play an RPG game, a strange castle appears and soon Inner Tokyo is filled with monsters from the RPG game. Under Natsumi's command, the Keroro Platoon are transferred to an alternate dimension. They then head to the Castle, where they are sent away immediately to find 3 Legendary Armaments. Keroro RPG has similar gameplay to other titles in the Tales series. The player controls the Keroro Platoon and they can head to multiple towns, talk with NPC's and take on numerous quests. In battle you can have only three members of the Keroro Platoon out in combat. You can also have help characters alongside you, composing of the companions you meet in the game and other Namco characters.