Here is the full list of all 35 The Infectious Madness of Doctor Dekker achievements.
Three thousand questions asked!
Two thousand questions asked!
Four hours played
Eight hours played
Sixteen hours played
Twenty hours played
Twenty five hours played
Solved in four
Solved in two
Solved in three
Solved in five
Solved in six
Zero hints, and you absolutely didn't cheat at all.
Excellent hint usage.
It's a bit hinty in here.
Solved in one
Five hundred insanity points reached
You made Nathan sing a song.
Three hundred insanity points reached
One thousand responses revealed!
Two hundred insanity points reached
One hundred and fifty insanity points reached
One thousand questions asked!
Seven hundred and fifty responses revealed!
Two hours played
One hundred insanity points reached
Five hundred responses revealed!
Five hundred questions asked!
Two hundred and fifty responses revealed!
Fifty insanity points reached
Two hundred and fifty questions asked!
One hundred responses revealed!
One hundred questions asked!
Twenty questions - well done!
Ten responses revealed!