In the arcade games Pump it Up NX2 and Pump it Up NX Absolute , a special produced flash drive is used as a `` save file '' for unlocked songs , as well as progressing in the WorldMax and Brain Shower sections of the game . In the arcade games Pump it Up NX2 and Pump it Up NXA , a special produced flash drive is used as a `` save file '' for unlocked songs , as well as progressing in the WorldMax and Brain Shower sections of the game .