Probably many of you have discovered that the game has an FPS lock, regardless of any in-game setting, which is the default FPS lock of Unreal Engine 3 (the engine of the game). The lock is at 62fps so the game doesn't let FPS go above 62.

And nope, that's not Vsync, so before making any modifications, make sure Vsync is turned off.


First, go to:
%USERPROFILE%\Documents\EA Games\Mirror's Edge\TdGame\Config

There you will find a TdEngine.ini file.
Open it in a text editor like Notepad. There you will find a line that says:

bSmoothFrameRate=TRUE

Here, change TRUE to FALSE, and save the file!
Launch the game and you are good to go. It will run at the highest framerate possible.