Complete the MOSCOW level.
Name the locomotive.
Get into a boat.
Get into the Trolley.
Find the guitar and teddy bear on the VOLGA level.
Find the passenger train car.
Kill the Catfish.
Complete the VOLGA level.
Complete the YAMANTAU level.
Drive the Bukhanka.
Use the bucket lift on the CASPIAN level to reach the Oasis.
Find maps in the laboratory.
Complete the CASPIAN level.
Attend the wedding on the SUMMER level.
Destroy the biggest statue in front of the children's camp on the TAIGA level.
Stand your ground against the Bear at the first encounter.
Take part in the Admiral's tea party on the TAIGA level.
Complete the TAIGA level without attacking anyone or getting noticed.
Complete the TAIGA level.
Pass the putrid tunnel.
Pass the Research Facility without killing a Blind One on the DEAD CITY level.
Complete the game in Ranger Hardcore mode.
Make at least one kill with every ranged weapon.
Install a modification of each category on a single weapon.
Spend 500 chemical resources on cleaning weapons.
Spend 500 consumable resources on crafting.
Find all upgrades for Artyom's suit.
Patch the Gasmask.
After running out of filters in a hazard zone, craft a new one while suffocating.
Kill 300 mutants.
Kill 50 enemies at long distance.
Kill 30 enemies with Tikhar.
Kill 30 enemies with Crossbow.
Kill 300 human enemies.
Melee-kill or stun 50 enemies.
Kill 3 enemies using sniper scope while wearing the Gas mask and using the Night Vision goggles.
Kill a demon with fire.
Find all 70 hidden Diary pages.
Find all 21 post cards.
Find a tune on the radio.
Find 3 toys in New Game+ mode: teddy bear, sun and fish.
Complete the game in New Game+ mode using any modification.
Complete the game in Iron Mode.
Celebrated the New Year in THE TWO COLONELS Chapter.
Make a moral choice in THE TWO COLONELS Chapter.
Provide guidance for Kirill in THE TWO COLONELS Chapter.
Complete THE TWO COLONELS Chapter.
Find all 9 hidden Diary pages in THE TWO COLONELS Chapter.
Kill 3 Nosalises with flamethrower's melee attack in THE TWO COLONELS Chapter.
Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.
Organize a documentary screening in the SAM'S STORY chapter.
Set all 5 traps in the SAM'S STORY chapter as the Captain requests.
Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.
Complete the SAM'S STORY chapter.
Complete the SAM'S STORY chapter earning the Captain's full trust.
Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.
Collect all harmonica melodies in the SAM'S STORY chapter.
Collect all the upgrades for Sammy rifle and Stallion pistol in the SAM'S STORY chapter.