Monster Monpiece (Japanese: 限界凸騎 モンスターモンピース Hepburn: Genkai Tokki Monsutā Monpīsu, lit. "Unlikely Knight: Monster Monpiece") is a card battle video game developed by Compile Heart for the PlayStation Vita. The game re-imagines mythological creatures and monsters, such as unicorns and minotaurs, as girls and women created by more than 50 different artists. The game allows multiplayer card battles online for 2 players. The game is based around battling with four types of cards, not all of which are monsters. Monster Monpiece was released on January 24, 2013 in Japan, and an English localization was released by Idea Factory International in May 2014.