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