The action often results in Monster Girls character losing articles of clothing. Using the game's level-up features called First Crush Rub and Extreme Love, players can power up the Monster Cards by rubbing the PlayStations Vita's screen. Monster Monpiece features a card-based battle system where Monster Girls fight opponents. The company went on to apologize for those who do not agree with any level of censorship. Idea Factory International stated that the decision to alter content was difficult as it endeavors to satisfy fans and offer the same content available in Japan.
"The borderline of what is ‘acceptable' will always be extremely gray and vary from person to person, but as a responsible company working in the U.S., we had to make the difficult decision that we did." Western society is not as lenient as that of Japan when sexual images are involved-especially images of humanoids that appear to be younger than a socially acceptable age," the statement reads. Publisher Idea Factory International is fully aware of fans' concerns over its decision to censor the Western release of strategic card battle game Monster Monpiece, according to a statement, explaining that Western markets aren't as tolerant to "images of humanoids that appear to be younger than a socially acceptable age."