Keroro Quest (ケロロクエスト Keroro Kuesuto) is a card game, produced and released by Bandai. It was made to co-insigne with Keroro RPG: Kishi to Musha to Densetsu no Kaizoku.
Keroro Quest cards are usually bought in packs from small prize machines and most of the designs are based off the Keroro RPG character's designs. If you bought a pack of cards, you could sometimes get a charm.
- The ending of episode 306 features some characters from the Keroro Quest cards.