How to Get the Brawler achievement in Mass Effect 2

In this next achievement tutorial, you're going to be playing the hit Xbox 360 title, Mass Effect 2. In this intergalactic, space game you need to shoot and kill 20 enemies adter they;ve been knocked back by a punch. It's fairly easy to get, but if not done quickly enough will result in a great amount of damage.

So check out the video above to see what you need to do and good luck!