Score from a penalty in a match

Shoot an enemy Molotov cocktail, dynamite stick, or hand grenade.

Defeat 5 enemies with the Knife.

Complete Chapter 1 - 1 on any difficulty setting.

Have attained Combat Level 5

Restored the first continent

You were successfully promoted up a rank in multiplayer.

Complete all missions on the Eastern Front on any difficulty. (Solo only)

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

Kill 8 Japanese with thrown mortars in 'Breaking Point.

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

When staring into the face of adversity, show courage and persevere.

Take out a Japanese soldier lying in wait in the grass.