Mirror's Edge Cheats

Chapter 7 Complete (20): Complete Chapter 7 in story mode
Chapter 7 Speedrun (10): Complete a Speedrun of Chapter 7 below the target time
Chapter 8 Complete (20): Complete Chapter 8 in story mode
Chapter 8 Speedrun (10): Complete a Speedrun of Chapter 8 below the target time
Chapter 9 Speedrun (10): Complete a Speedrun of Chapter 9 below the target time
Free flowing (25): String together the following: wallrun, jump, speedvault
Head over heels (20): Complete a chapter of the game without ending up in a heavy landing
Hey, it's-a-me! (10): Execute a stomp move on an enemy
Martial artist (10): Perform a melee hit from a wallrun
May I have this dance? (30): String together the following: wallrun, turn, jump, wallclimb, turn, jump
Mine! (15): Perform 15 successful disarms (outside of the tutorial)
On the clock (10): Beat the qualifier time on any Time Trial stretch
Pacifist (15): Complete a chapter without firing a gun
Packrat (80): Find all 30 hidden bags
Pro runner (80): Complete story mode on hard difficulty
Prologue Complete (20): Complete the Prologue in story mode
Prologue Speedrun (10): Complete a Speedrun of the Prologue below the target time
Ran out of fingers (30): Find 11 hidden bags
Still counting (30): Attain a Time Trial star rating of 50
Tango down (15): Knock out 20 enemies in melee combat
Test of Faith (80): Complete the game without shooting an enemy
That's a wrap (60): Complete the story mode on any difficulty
Untouchable (15): Complete a chapter without getting shot
Up, over, under, onwards (25): String together the following: jump, coil (over obstacle), slide (under obstacle)
Vrooom! (40): Maintain sprint speed for 30 seconds.

Hard Mode
Upon completion of the main story mode, Hard mode is unlocked. In hard mode, enemies are generally much stronger and, most importantly, runner vision is automatically turned OFF.

Pure Time Trials DLC Achievements
Complete each achievement to get the allotted gamerscore.

Dicey launch (30): String together: slide, wallrun, wall climb, turn, jump.
Superstar (100): Attain a Time Trial star rating of 90.
Surreptitious swing (30): String together: springboard, wallrun, turn, swing, jump.
The twister (30): String together: wallclimb, turn, swing, wallclimb, turn, swing, jump.
To explore strange new worlds (30): Attain a Time Trial star rating of 75.
U-turn (30): String together: wallrun, wallrun, turn, swing, jump.