How do you unlock Donalds dreamland in toontown

Donald's dreamland unlocked when you finished The Brrrgh
The Brrrgh unlocked when you finished Minnie's Melodyland
Minnie's Melodyland unlocked when you finished Daisy's Garden
Daisy's Garden unlocked when you finish Donald's Dock
Donald's Dock unlocked when you finish Toontown Central
You start with Toontown Central unlocked.