Collect every duck.
Find all Teddy's drawings.
Don't listen to your wife and go to next level not switching the TV off on the first level.
Finish the first level without being beaten up.
Finish the second level without being beaten up.
Open 40 shelves and sideboards.
Solve the puzzle with the padlock in the hospital.
Solve the puzzles with the electricity at home and night garden
Get murdered five times
Listen to every tape recorder.
Find every note and letter.
Find the mystery with the leak in the basement.
Find every armor pieces.
Watch the movie.