Mirror's Edge
50 Achievements
1250
Xbox 360
Xbox One
Xbox Series
Tango down
Knock out 20 enemies in melee combat
15
How to unlock the Tango down achievement in Mirror's Edge - Definitive Guide
BlindLuke
TrueTrophies
TrueTrophies
Could come naturally during your playthrough. If not, it is cumulative, so when you fail in an area with enemies, and the checkpoint is close by, just do a couple of suicide runs, and every knock out will count towards this trophy.
DarkRaven666
To knock out an enemy, hit them with melee attacks 2-5 times, depending on what type of enemy they are. You can use normal melee with 
, or you can jumpkick with 
+ , or even slidekick with 
+ . You'll likely get this through natural progression, though this can be farmed by getting takedowns, then dying and restarting the checkpoint.