Unaided: 1939 achievements

Kill an enemy with a truck explosion.

Finish the story campaign.

Finish the tutorial.

Kill 5 enemies with a knife in a single mission.

Kill 5 enemies with a pistol in a single mission.

Kill an enemy with a car explosion.

Kill 10 enemies with a rifle in a single mission.

Kill 5 enemies with an explosion in a single mission.

Kill 5 enemies with a bow in a single mission.

Finish a mission without being detected.

Finish a mission with low health.

Kill an enemy with a tank explosion.