Solve a riddle.
Unlocked: 25 May 2016 23:58:09
Finish an observation.
Unlocked: 25 May 2016 23:19:15
Finish the Andover inquiry.
Have told Japp about the second crime.
Have finished the Bexhill inquiry.
Have prepared to leave for Churston.
Have finished the first inquiry in Churston.
Have brought all the suspects to Whitehaven.
Have finished searching the Churston mansion.
Have prevented the fourth crime.
Have finished the inquiry at Cust's.
Question the main suspect.
Unmask the murderer.
Falcon's eye
10Finish half of the observations.
Eagle's eye
25Finish all the observations.
Neuron
5Answer a little grey cells question.
Synapse
10Answer half of the little grey cells questions.
Cortex
25Answer all the little grey cells questions.
Finish an inquiry.
Finish half of the inquiries.
Finish all the inquiries.
Tidy up once.
Snowflake
25Tidy up twice.
Tidy up three times.
Small donkey
10Make a mistake.
Make four mistakes.
Large donkey
100Make eight mistakes.
Make yourself comfortable once.
Cleaning pussy
200Take care of your moustache.
Double gear
10Solve half the riddles.
Solve all the riddles.
Newspaper
10Read a newspaper.
Stone
10Read a newspaper that criticises you.
Read the latest newspaper.
Have successfully completed the meeting of suspects.
Have helped Donald Fraser to interpret his dream.
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Black swan
10Find out how to unlock this achievement for yourself.
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Find out how to unlock this achievement for yourself.
Black dragon
10Find out how to unlock this achievement for yourself.
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Find out how to unlock this achievement for yourself.
Find out how to unlock this achievement for yourself.
Find out how to unlock this achievement for yourself.