Betty Boop's Double Shift (バービー・ブープのダブルシフト, Bābī Būpu no Daburu Shifuto) is a Nintendo DS game released in Europe in 2009. It is a rhythm-based game based on the iconic cartoon character Betty Boop. Players take control of Betty as she navigates through five different locations, each with its own unique theme. The goal is to complete tasks and collect items while keeping the rhythm of the music. The game features colorful graphics and a variety of upbeat tunes to keep the player entertained. Players can also customize Betty's clothing and accessories to create a unique look. The game also features a variety of mini-games, such as a snowboarding challenge, a fishing trip, and a dance-off. Betty Boop's Double Shift is a fun and lighthearted game that is sure to keep gamers in the groove.