Complete Chapter 1 - 1 on any difficulty setting.

Establish a beachhead at Peleliu Island on any difficulty. (Solo only)

Radio in a naval bombardment that kills at least 4 Japanese soldiers.

Finish the game in Easy Mode

Kill 30 enemies with the Dragon Sniper

Kill 30 enemies with the MP40

Kill 20 enemies with the Desert - 5

Kill 100 enemies with headshots

Kill five enemies in a row with headshots

Kill 50 enemies with the AK-47

Kill 30 enemies with headshots

Kill 50 enemies in a row without dying

Find five treasures