Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Dark Secret (12)	Got Lisa to mention Larry's secret. (Secret)
Charley's Pony (10)	Finished episode one. (Secret)
Go to Sleep (10)	Used sleep aid with the tea. (Secret)
House of the Wretched (12)	Completed the Gear Boy game. (Secret)
Irritable Bowels (12)	Used old laxative with tea. (Secret)
Metalhead (10)	Listened to Sanity's Fall multiple times. (Secret)
The Unknown (12)	Found the feet, the eye and the dark one. (Secret)