Here is the full list of all 39 9 Clues 2: The Ward achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Be a hero and save lives.
Gather full information about all the characters.
Gather all nine Clues in your Journal.
Create your puppet.
Finish five Hidden Object Puzzles in under two minutes each.
Find a way to call for help.
Solve all Detective Mode scenes.
Finish three Hidden Object Puzzles without using a Hint.
Learn about Kreuz's secret.
Finish half of all the games of Mahjong.
Make your way out.
Gather five Clues in your Journal.
Finish Zed's masterpiece.
Find three fragments of the Asylum Model.
Finish one Hidden Object Puzzle without using a Hint.
Find three Hidden Clue Symbols.
Visit the closed ward.
Finish three games of Mahjong without using Shuffle.
Fix the sprinklers.
Solve five Puzzles in under two minutes each.
Gather three Clues in your Journal.
Regain a clear mind.
View three cut scenes without using Skip.
Fight your fears.
Find a way out.
Solve three Puzzles without using Skip.
Disarm all booby traps.
Find three Phantom Objects.
Finish a game of Mahjong.
Solve your first Detective Mode scene.
Solve a Puzzle without using Skip.
Finish all Hidden Object Puzzles without using a Hint.
Solve all Puzzles without using Skip.
Find all nine Hidden Clue Symbols.
Complete the Asylum Model.
Find all fifteen Phantom Objects hidden across the game.
Finish the game without using a Hint.
Watch all the cutscenes in the game without using Skip.
Finish all games of Mahjong.