Sell goods for more than 250 000.

Find each artifact in the Zone.

Liquidate machine gunner at military block post.

Help Semyon Lambee.

Kill Boss Helicopter at Lymansk hospital.

Find the stash with valuable habar at swamps.

Sell goods for more than 100 000.

Be killed by grenades 20 times.

Finish the game and do not join any faction after leaving the Swamps.

Be supported by and gain maximum reputation with 3 or more factions.

Help Free stalkers or Bandits to be victorious in their conflict.

Let water run to the undergrounds, kill mutants and return alive.

Find all unique weapons.

Upgrade 5 different weapons to maximum.

Enhance your maximum weight capacity by 60 kilograms.

When dived into that very basement with empty pockets.

Meet Forester and return him what is lost.

Assist Hermit and finish his quest in Undergrounds.

Find the forgotten guitar.

Finish the game on Stalker difficulty.

You found all "meat" artifacts. Abomination, but useful to survive in the Zone!

Die from 5 different anomalies.

You found 18 flash drives. Use them wisely.

Finish the game on Novice difficulty.

Go through the military Cordon and speak to Sidorovich for the first time.

Join any faction after leaving the Swamps.

Walk 10 kilometers with overload.

Drink 100 energy drinks.

Meet all barmen in the Zone.

Find the time machine in Lymansk.

Finish S.T.A.L.K.E.R. Clear Sky on any difficulty level.

Finish the game on Veteran or Master difficulty.

Kill 50 enemies with headshot.

Find and steal items from back of the Suslov shop in marshes.

Join "Clear Sky" faction and defeat Renegades.

Use guide service 10 times.

Enter the secret city, Lymansk.

Make the choice between Freedom and Duty and help your faction to defeat their rivals.

Help Vasyan to repel the attack of dogs and climb down the stone.

Visit all in-game locations.

Climb high and listen to the full version of radio message.

Find the trophy AKM-47/2.

Use the service of all Zone technicians.