Acquire all trophies.
Twenty questions - well done!
Ten responses revealed!
Two hours played.
Fifty insanity points reached.
One hundred questions asked!
One hundred responses revealed!
Two hundred insanity points reached.
Two hundred and fifty questions asked!
Two hundred and fifty responses revealed!
Four hours played.
Three hundred insanity points reached.
Five hundred questions asked!
Solved the case using less than a hundred hints.
One thousand questions asked!
Five hundred responses revealed!
Eight hours played.
Four hundred insanity points reached.
Solved Doctor Dekker's murder.
Solved Doctor Dekker's murder without accusing any innocent people.
You made Nathan sing a song.
Zero hints, and you absolutely didn't cheat at all.