Follow the Silent Hill Downpour Mirror, Mirror side quest guide below in which you will be able to unlock the Spot the Difference achievement and trophy. You will need to locate the mirror that outlines the different items that are not matching ones you stare through the mirror.
You will need to see through the mirror and spot the difference: Items that you will need to fix:
- turn on lamp
- open drawer
- turn on tv
- flip the picture
- light up the candel
For additional help in completing the entire game, take a look at the Silent Hill Downpour Walkthrough.
Silent Hill Downpour Mirror, Mirror Side Quest Video Guide