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