Ikaruga is a critically acclaimed vertical shoot 'em up released for the GameCube in 2003. Developed by Treasure, it is known for its unique polarity-switching gameplay, where players can switch their ship's polarity to absorb enemy bullets of the same color. This mechanic adds a strategic layer to the classic shooting action. The game features challenging levels, intricate patterns of enemy fire, and a mesmerizing soundtrack. It is lauded for its difficulty, sophisticated level design, and has become a cult classic, particularly among fans of arcade-style shooters. The game's genre blends action, strategy, and arcade elements.