Finish tutorial.

To die more than 100 times.

Blow up the enemy.

Freeze to death.

Drink 5 bottles of vodka.

Watch through binoculars.

Set 5 mines.

Defuse 10 mines.

Die for the first time.

Kill 10 enemies with an edged weapon.

To kill an enemy with bare hands.

Blow up an enemy.

Use all weapons.

Use 20 medkits.

Complete the game on the hardest difficulty setting.

Blow yourself up.

Hit a target 50 times.

Blow yourself yp by a trip wire.

Kill 50 enemies with a crossbow.

Collect 50 logs.

Enter the vault.

Find a sword.

Kill 50 enemies with a pistol.

Kill 30 enemies with PPSh-41.

Be irradiated with ice anomaly.

Go to the training level.

Throw 50 grenades.

To wound friendly NPC.

Search through all documents.