Here is the full list of all 45 Tamagoneko achievements.
Collect all eggs in the summer World
Collect all eggs in the winter World
Collect all eggs in the necro World
Collect all eggs in the desert World
Collect all eggs in the crystal World
Collect all eggs in the magma World
Collect all eggs in the space World
Collect all fruits in the Summer World
Collect all fruits in the Winter World
Collect all fruits in the Necro World
Collect all fruits in the Desert World
Collect all fruits in the Crystal World
Collect all fruits in the Magma World
Collect all fruits in the Space World
Collect the first egg
Beat the game
Beat the final space level
Collect every egg in the game
Collect enough fruits to unlock Space
Сollect every egg and fruit in the game
Speak with any NPC character for the first time
Speak with every NPC character
Collect 1000 coins in total
Die 1000 times
Die on the first level
Make the first purchase in the shop and get 1 coin cashback!
Buy every single cosmetic in the shop
Watch the credits in the end of the game
Finish the game within 1 hour and 30 minutes or less
Pop 100 balloons
Complete New Game+
Enter konami code
Find the Kirrball Man room
Find this place
Fruits weren't part of our deal
Show the Fish who's on fire
Show the Mole what he deserved to see
Collect every fruit in the game