Here is the full list of all 48 The Adventure of NAYU achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Clear the first area of the story.
First time in fever state.
Got your first shards of the star.
Defeat the bear in the meadow.
Meet Suzu and become friends.
Unlock 7 items from Lugh's information shop.
Unlock 21 items from Lugh's information shop.
Unlock 35 items from Lugh's information shop.
Defeat the GuBee's King.
Defeat Rye in the woods.
Defeat Lev in the woods.
Out of the woods.
Encounter the researcher in the cave.
Defeat the cave boss.
Discovering the Forgotten Forgotten capital.
Release the guardians of the Forgotten metropolis.
Informed Shiro what you want.
Complete the story
Activate the game for 15 minutes.
Activate the game for 30 minutes.
Activate the game for 60 minutes.
Knock down 50 monsters.
Knock down 100 monsters.
Increase the adventurer level to 100.
Increase the adventurer level to 200.
Increase the adventurer level to 300.
Start endless mode
Release the ninja outfit.
Release the spearman outfit.
Release the witch's outfit.
Release the cook's outfit.
Release all outfits.
Visit 25 areas.
Visit 50 areas.
Strike 300 times.
Go into fever mode 10 times.
Knock down 20 boss-level monsters.
Knock down 3 GuBee's kings.
Maximum damage exceeds 9999.
Maximum damage exceeds 99999.
Collect a cumulative total of 10000 shards of stars.
Collect a cumulative total of 100000 shards of stars.
Update your high score on the Road to Cheese.
Collect 10 pieces of cheese.
Collect 30 pieces of cheese.
Collect 50 pieces of cheese.
Collect 23 achievement stamps.
Collect 47 achievement stamps.