What Lies in the Multiverse

• Chapter: 4
• Location: Casino
• Requirement: proceed with all the dialogues during the play
• Story-related? Yes, can't be missed

Inside the Casino, while searching for a escape route, you and Everett will enter the stage where the play is goin on.

Simply run through all the dialogues until Nash breaks through, causing Everett and the boy to evade. Achievement should pop right away.