Here is the full list of all 36 Umihara Kawase Fresh! achievements.
Get all Trophies
Complete 50 Quests
Complete Quest "75. Welcome home"
Complete Quest "c07. The Last 'WILLOW'"
Clear 50 Time Attack stages
Clear 1 Time Attack stage
Clear 7 Challenge stages
Clear 1 Challenge stage
Complete Quest "01. Kawase's Map"
Unlock camp point
Unlock campers' tents
Gain access to the sky area
Gain access to the middle area
Gain access to the middle area2
Gain access to the deep area
Collection rate of at least 25% and check library
Collection rate of at least 50% and check library
Collect 5 travel memories
Collect 100 materials
Go to the Shop
Can make 5 kinds of food
Can make 10 kinds of food
Capture Pig (Cow)
Defeat Ganburian
Get bit by the black thing
Defeat Giga Tadpole
Defeat Giga Tadpole's Little Sister
Defeat Big Pig
Defeat Crabpose
Defeat Crabpose Blue
Defeat Blowfish
Complete Quest "33. Laplus' Letter"
Clear stages over 100 times
1 death
10 deaths
30 deaths