An in depth guide on how to get the Mystery Achievement in Halo MCC.
Mystery Achievement Guide
This guide will Teach you how to get the Mystery Achievement In Halo MCC. I Hope you enjoy.
Get On the Main Menu of Halo MCC.
Click on multiplayer.
Then you will be on this menu:
Click on a Custom Gamemode and Select File Options.
Type .fortune in the Game Type Name.
Press Ok to Confirm it.
Now you Have a fortune, and the achievement.
You can repeat this to get different Fortunes.