*******End Of Game - Spoilers Ahead********
________________________________________________
At The End Of The Game, You Are Asked Whether Or Not You Want To Stay On The Island.
- Choose To Stay Here And Watch The Helicopter Fly Off All Dramatic.
Quick Tips:
You Can Not Get This Achievement And "Fought Demons" In The Same Playthrough.
However; Since There Are No Plot-Relevant Choices Leading Up To The Game-Ending One, You Can Watch Your Ending And Then Reload To Before It To See Both.
- Remember To Save Before The End And Not To Save After ;D
Good Luck!
PS. Also Check Out "Fought Demons" And "Keep Your Friends Close" Achievements.