How To: Unlock the Merciful achievement in Metro 2033

It's time to make sure you have a hold on your trigger finger. In this achievement tutorial for the Xbox 360 title, Metro 2033. you'll have to show some restraint.

To unlock this achievement and 30 gamerscore, you must complete the level Black Station without killing any fascist soldiers. It may be hard, but after watching this tutorial, you'll know what you need to do. So good luck and enjoy!