Mirror's Edge
50 Achievements
1250
Xbox 360
Xbox One
Xbox Series
Access all areas
Unlock all Time Trial stretches
20
How to unlock the Access all areas achievement in Mirror's Edge - Definitive Guide
DarkRaven666
When you start the game, most of the Time Trials will be locked. They can be unlocked by completing certain chapters in the Campaign, or by completing certain Time Trials. Fulfill the requirements, and this will unlock along with the last Time Trial.