Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
10,000 BC	Visit the Prehistoric Era.
Crowmageddon	Beat the Crows without dying on Corrupt Mansion.
David Age 6	Find the "kids" Owl picture in the Hospital.
Ducktective	Find the Blue Duck.
Hung Parliament	Complete the Corrupt Church.
Rush Hour	Complete the Corrupt Winter HQ with no deaths.
Soul Salvation	Complete the Church.
There and Back Again	It's your last chance to understand.
Time Flies	Complete the Clock Puzzle without dying in Ice Palace.
Zero Corruption	Complete the Tree of Life.