- Easy 'Invisible Man' achievement


- S.T.A.L.K.E.R. series references
- Nightvision goggles
In addition to buying the Sneaking Suit at the Armory Station, you can get a pair of nightvision goggles at Front Lines. While in control of Artyom, turn around, and follow the train tracks. The nightvision goggles will be in a red breaker box guarded by two soldiers.

- Easy 'Quick Draw' achievement


- Armor and Stealth suits
Before entering the train car at Armory Station, you can purchase a Stealth Suit for 100 military cartridges from the vendor across from the Ammo Exchange. There is a vendor next to that one that sells an Armor Suit that decreases damage. Both suits can be worn simultaneously. A similar Armor Suit is also sold by a vendor next to the Ammo Exchange in Polis.

- Easy 'DJ Artyom' achievement
There is an objective in 'Outpost' regarding an S.O.S. message from 'Defense'. Go to the first Nazi controlled building, where a Demon snatches a fleeing Nazi, and fight through the area until reaching the upper level of that building. Find a hallway with three tripwire mines and two Demons. Get past the mines, then check the right room at the end of the corridor to find a ramp that provides access to the rooftop. You will find a corpse with a Kalashnikov on the rooftop. The communications apparatus for the achievement can be found in the corner of the rooftop.

- Activate Cheats
Notice: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the 'user.cfg' file in the game directory. Change the indicated line(s) to obtain the corresponding effect:

Effect	Original Value	New Value
Infinite ammunition	g_unlimitedammo off	g_unlimitedammo on
God mode	g_global_god off g_god off	g_global_god on g_god on

- Easy 'Merciful' achievement


- Easy 'Realist' achievement
Decline the kid's offer to lead you at Riga Station to get the 'Realist' achievement.

- Steam achievements
Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select 'Community', 'My profile', 'Watch all my games', then the game and view stats.

Raider	On the level 'Depot' silently kill the first guard and break into the Fascist station unnoticed.
Old school	Kill 30 enemies with the double-barreled shotgun.
Heavy Reader	Kill a librarian.
Fire in the hole	Kill 20 lurkers.
Merciful	Finish the level 'Black Station' without killing any Fascist Soldiers.
Scrooge	Save 500 military grade rounds.
Ranger	Find all Ranger stashes in Dead City 1 and 2
Inquisitor	Kill 2 demons.
Fugitive	Finish level 'Armory' without getting caught.
Metro Trader	Make 10 deals in weapon shops.
Pyro	Kill 5 enemies with a flamethrower.
Heavy Metal	Kill 15 enemies using stationary machine gun.
DJ Artyom	On the level 'Outpost' reach the radio tower and broadcast the commander's message.
Exorcist	Finish levels 'Ghosts' and 'Anomaly' without dying.
Rescue Ranger	Save a group of 'Reds' from Fascist captivity.
Pathoanatomist	Kill 5 amoebas.
Soft Touch	Disarm 10 wire traps.
Tank Buster	Destroy fascists' Panzer.
Slice & Dice	Kill 20 enemies with the knife.
Air gunner	Kill 30 enemies using pneumatic weapons.
Cowboy	Kill 30 enemies using revolvers.
Sniper	Make 25 headshots.
Invisible man	Finish 'Frontline' level without killing anyone.
Nosalis hunter	Kill 30 nosalises.
Ka-Boom!	Explode 10 enemies.
Ninja	Kill 10 enemies with throwing knives.
Hedge-hopper	On the level 'Frontline' kill all of the enemy Red Army and Fascist Soldiers.
Quick Draw	On the level 'Hunter' kill the nosalises before they break through the ventilation grilles.
Demolitionist	Blow up the tunnel and airlock at 'Cursed' station.
Wheeler-Dealer	Exchange 500 Military Grade 5.45 rounds at Exchange kiosks.

There are nine secret achievements:

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

- Easy 'Ranger' achievement


- 'Killing The Dark Ones' ending


- Extending filter
Avoid jumping and sprinting to extend the use of your filter.

- Easy 'Generous' achievement