Complete the following tasks to unlock Vita trophy rewards.

Trophy	How to unlock
Almost There! (Silver)	Unlock all stages.
Backpacker (Bronze)	Acquire 10 backpacks
Froggy Fun (Silver)	Clear Tadpole.
Golden Oldie (Bronze)	Play the original Umihara Kawase.
Gone Fishin' (Silver)	Clear Sayonara Umihara Kawase +.
Old School Umihara (Gold)	Watch the ending of the original Umihara Kawase.
Outdoorsy Type (Bronze)	Acquire a backpack.
Perfect Packer (Gold)	Acquire 45 backpacks
Superpacker (Silver)	Acquire 10 backpacks.
The Whole Gang (Silver)	Use all characters.
Until We Meet Again (Platinum)	Earn all available trophies for Sayonara Umihara Kawase +.
Who Needs Doors? (Gold)	Clear all doors.