Here is the full list of all 25 Sherlock Holmes: Crimes & Punishments achievements worth 1,000 gamerscore.
Finish Half Moon case.
Complete the game.
Reach 6 correct conclusions for all 6 cases.
Catch the thieves at Notting Hill Manor.
Gather 26 Character Portraits.
Finish Kew Gardens case.
Prevent Miss White from suicide.
Finish 25 mini games and puzzles without skipping.
Finish Abbey Grange case.
Finish Blood Bath case.
Receive 3 messages from those whom you condemned or absolved.
Retrieve the Golden Knife from the ancient temple of Mithras.
Finish 15 "Character Observations" without skipping.
Finish 10 Dialogue QTEs without a failure.
Finish Train case.
Disarm Mexican by shooting the gun from his hand.
Finish Black Peter case.
Beat Cairns in a fight.
Collect all possible in-game achievements.
Interact with Toby in every case.
Save Crocker from committing suicide.
Finish 35 mini games and puzzles without skipping.
Finish 45 mini games and puzzles without skipping.
Reach all possible conclusions in the game.
Receive maximum personality ranking.