"Mystery Solved" is one of the achievements and trophies available in Dead Island: Riptide. To earn this achievement/trophy, the players must find all the secret files of Consortium. The achievement/trophy will be unlocked upon collecting the final file. You can check the files in your inventory to see which ones you have/are missing, as they're numbered 1-9 so it's easy to determine which are missing.
Strategy[]
- As with similar achievements/trophies such as News junkie or Professional Tourist, there is no strategy to unlocking this.
- You can collect the secret files in any order you want, they all count towards the final goal.
- Visit the secret files page for details on where to find each file. Upon picking up the final one, the achievement/trophy will be unlocked.