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