(Rejuvenation) How do I unlock the Help Plaza in GDC?

[TumbleWhip]

Title says it all

I just need more stamps~ 

All help will be appreciated!

[Combat]

Beat the main campaign for this version. Then it will be opened. (It might just be getting the new badge, but beating the campaign will guarantee it.)

[TumbleWhip]

7 minutes ago, Combat said:

Beat the main campaign for this version. Then it will be opened. (It might just be getting the new badge, but beating the campaign will guarantee it.)

Alright, thanks!