TwinBee is a cute-em-up shoot 'em up video game series originally developed and published by Konami. It began as an arcade title and became especially known for its colorful, whimsical style, bell-based power-up system, and cooperative gameplay. The series spawned multiple sequels, spin-offs, ports, and related media, with the main title often referred to simply as TwinBee. It is one of Konami's most recognizable classic franchises from the 1980s and 1990s.