Quest Beat, or , is a video game software label by Bandai

Bandai

is a Japanese toy making and video game company, as well as the producer of a large number of plastic model kits. It is the world's third-largest producer of toys . Some ex-Bandai group companies produce anime and tokusatsu programs...

 Co., Ltd. Tetsuya Mizuguchi

Tetsuya Mizuguchi

is a video game designer and founder of the video game development firm Q Entertainment. He formerly worked for Sega were he eventually became the head of their United Game Artists division...

's Q Entertainment

Q Entertainment

Q Entertainment creates, produces, and publishes in digital entertainment content across multiple game consoles, PC broadband and mobile units...

develops the video games for the label. Quest Beat is sometimes listed as ((qb)). The parenthesis most likely represent "pulses" of rhythm.

The main goal of games produced under Quest Beat is "simplicity." They want their games to be "pick up and play," where anybody can understand what to do without needing to read instructions.