Hat Codes...
	Various Achievements...

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	Sally, 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.

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Arf Arf Arf! (40 points)	Jump on three enemies without touching the ground.
Arm Wrestler (40 points)	Unlock the Masked Marvel Costume.
Au revoir Red Baron (50 points)	Complete all Skies of Paris levels.
Best Friend (40 points)	Have a second player activate a Woodstock trigger.
Chop Chop Chop! (40 points)	Hover as normal Snoopy for more than 5 seconds.
Contact! (40 points)	Unlock the Flying Ace Costume.
Crash! (40 points)	Break through a wall as the Masked Marvel.
Deep Dark Jungle (50 points)	Complete all Peppermint Jungle levels.
Do the Bunny Dance (50 points)	Complete all Temple of Bunnies levels.
Dodge Balls (50 points)	Defeat The Mask Boss without being hit.
Home Again (40 points)	Finish a Level.
Jelly Beans! (40 points)	Collect all Jelly Beans in a single level.
Joe Cool (40 points)	Unlock the Joe Cool Costume.
Master of Disguise (40 points)	Unlock all Costumes.
One Small Step (50 points)	Complete all Lunar Surface levels.
Root Beer (70 points)	Collect all kids objects.
Scouts Form Up! (40 points)	Unlock the Beagle Scout Costume.
Snoopy Come Home (50 points)	Complete all Melody Chateau levels.
Staggers Imagination (50 points)	Complete all Parisian Underground levels.
To The Moon! (40 points)	Unlock the Astronaut Costume.
Together Again (60 points)	Rescue all the Kids.
World Famous Detective (40 points)	Unlock the Detective Costume.