Here is the full list of all 35 Yooka-Laylee achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Collect your first 200 Quills
Get the high score in one of Rextro's Arcade Games
Successfully complete one of Rextro’s arcade games
Complete one of Dr. Quack’s Quackfire Quizzes
Complete one of Kartos’s minecart challenges
Find any one of the pirate treasure items
Get transformed by Dr. Puzz for the first time
Defeat the World 1 boss
Expand a Grand Tome world
Unlock and equip a Tonic
Purchase a move from Trowzer
Collect your first Ghost Writer
Unlock the first Grand Tome world
Collect your first Pagie
Collect 30 Pagies
Collect 75 Pagies
Collect all 145 Pagies
Purchase all of Trowzer’s moves
Unlock 15 Tonics
Collect all 6 health extender items
Collect all 6 power extender items
Collect every Ghost Writer in the Grand Tome worlds
Collect 500 Quills
Collect all 1,010 Quills
Unlock every Grand Tome world
Defeat Capital B at the end of the game
Defeat the World 2 boss
Defeat the World 3 boss
Defeat the World 4 boss
Defeat the World 5 boss
Disrespect the Idol
Find any three of the pirate treasure items
Find all five of the pirate treasure items
Expand three Grand Tome worlds
Expand all five Grand Tome worlds