How do you unlock underground in custom robo arena
How do you unlock underground in custom robo arena
At the end of the robo cup competition, win 11 grudge matches. then go to your team's club house and you will see a shadow there, talk to him and you will get a dark commander's badge, then go to Harbor and enter the house in the bottom left, talk to the man and ........ well i don't know what happens next..