Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
5 of Swords - Complete the bonus chapter.
Black Hole - Complete each HOG in Story Mode without the lantern.
Death Defying - Escape from Houdini's coffin in one try.
Escape Artist - Find all 100 padlocks, handcuffs, keys and straightjackets in "Escape Artist Hunt."
Gardener - Find all the ESP cards in the garden in one try.
Golden Geek - Solve all the puzzles in Story Mode.
HOG Wild - Complete a hidden object scene in less than a minute.
Houdini Protégé - Complete Story Mode.
Hypnotic Eyes - Unlock Unlimited Hidden Object Mode.
Irish Rover - Collect all 70 clovers in Story Mode.
Locksmith - Get into Houdini's house without a hint.
Magic Wand - Find every hidden object in all Unlimited HO Mode scenes.
Ornithologist - Collect all 52 ravens in Story Mode.
Perfect - Complete Story Mode without using any hints.
Pigeon - Conjure a pigeon.
Scaredy Cat - Complete Story Mode with no Black Cat scares.