Pop Breaker is a puzzle shooter game for the Sega Game Gear. It was only released in Japan. Piloting a hovertank named Diana, Yuki Takeshita is a high school student who is taking the entry exam for FSWAT - a newly formed defense force. There are 50 levels that the player must complete, controlling Yuki's hovercraft from an overhead perspective and navigating through a board-like environment.