Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Enlightened ( 20 points )	Find the truth.
Explorer ( 30 points )	There is no place in metro you did not visit
First blood ( 5 points )	What doesn't kill you, makes you stronger.
Generous ( 10 points )	Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
If it's hostile, you kill it. ( 20 points )	Become a true ranger.
Metro dweller ( 20 points )	A true metro citizen. You know everyone and have seen everything.
Quick-witted ( 30 points )	Break the support and activate the chandelier in less than 20 seconds.
Realist ( 10 points )	A coin for a hungry kid? Get a job.
Sherlock ( 20 points )	Found all gold ammo, hidden throughout the stations.