These characters become available as stage points are achieved.

Effect	How to unlock
Arnold	Earn at least 30,000 pts in Shiverpool 2
Big Z	Earn at least 100,000 pts in Legendary Wave
Elliot	Earn at least 40,000 pts in Pen Gu North 3
Geek	Earn at least 60,000 pts in Pen Gu South 4
Tank	Earn at least 40,000 pts in the Boneyards
Tatsuhi	Earn at least 15,000 pts in Pen Gu South 2