Use a text editor such as notepad to edit the "TDInput" file in the "\Documents\EA Games\Mirror's Edge\TdGame\Config\" directory. Add a similar to the following one to the "bindings" section, replacing the "Name" value with a key that will activate the code (for example, [F4] as indicated) and the "Command" value with the cheat code (for example, toggling first and third person view mode as indicated).

Bindings=(Name="F4",Command="FreeFlightCamera",Control=False,Shift=False,Alt=False)

You can bind multiple codes using different keys. Press the bound key during game play to activate the corresponding cheat function.

Effect	Code
All weapons	loadfullinventory
Disable slow motion	slomo 1.0
Free Cam (requires God mode)	dropme
God mode	god
Jesus mode	jesus
Lock all levels	LockAllLevels
Lock all time trials	LockAllTT
Show framerate	stat xunit
Slow motion	slomo 0.4
Toggle first and third person view	FreeFlightCamera
Unlimited ammunition	ammo
Unlock all levels	UnlockAllLevels
Unlock all time trials	UnlockAllTT