The Episode 4 - The Cain Killer Add-on for Cognition: An Erica Reed Thriller has 15 achievements.
Successfully complete "The Cain Killer"
Protect a fellow agent
Couldn't protect a fellow agent
McAdams doesn’t trust you after a tense exchange in a car
McAdams trusts you after a tense exchange in a car
Complete Act 3 of "The Cain Killer"
The interrogation subject is coerced into talking
You went a little too far and the interrogation subject passed out
Complete Act 2 of "The Cain Killer"
Successfully help a friend remember what Bao-Thanh said
Find the game within the game
Complete Act 1 of "The Cain Killer"
Never lose any of Keith's trust in the Lakehouse
Save Jetta during the undercover operation
Let Jetta die during the undercover operation