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