From the options screen, go to the Hats section and select 'Enter your code', then input the following codes to unlock all of the secret hats for Snoopy!
| Hat | How to unlock
|
|---|
| Chef Hat | Charlie Brown, Pigpen, Linus, Lucy.
|
| Football Helmet | Lucy, Schrodinger, Snoopy, Marcy.
|
| Santa Hat | Woodstock, Charlie Brown, Pigpen, Linus.
|
| Top Hat | Lucy, Sally, Schrodinger, Snoopy.
|
| Visor | Marcy, Woodstock, Charlie Brown, Pigpen.
|
| Winter Hat | Linus, Lucy, Sally, Schrodinger.
|
