"Monsturtle" can be purchased in the shop.
- When the player wins a Duel, a number of cards are added to the shop. Each has an intended probability of 49/30,000 being this card. But due to a bias in the random number generation, it is actually a probability of 98/65,536.
- When the player enters this card's password (15820147), it appears in the shop.
The following characters use "Monsturtle" in their Deck. This list might be incomplete until all opponents have been documented on this site.