Metro 2033 Alternate Ending - Enlightened
This is the alternate ending of Metro 2033 where Artyom spares the dark ones, and allows them to live. This achievement is hard to unlock and can be done so by doing the following: -In the vision after Black Station, walk towards the blue light (dark one) -In the vision on the train going to D6 walk towards the blue soldier THEN the red dark one.
