Complete each achievement to get the allotted gamerscore.
| Unlockable: | How to unlock: |
| Complete Wake Island (10) | Beat Wake Island on any difficulty setting. |
| Complete Bataan (10) | Beat Bataan on any difficulty setting. |
| Complete Guadalcanal 1 (10) | Beat Guadalcanal 1 on any difficulty setting. |
| Complete Guadalcanal 2 (10) | Beat Guadalcanal 2 on any difficulty setting. |
| Complete Leyte 1 (20) | Beat Leyte 1 on any difficulty setting. |
| Complete Leyte 2 (20) | Beat Leyte 2 on any difficulty setting. |
| Complete Luzon (20) | Beat Luzon on any difficulty setting. |
| Complete Iwo Jima 1 (20) | Beat Iwo Jima 1 on any difficulty setting. |
| Complete Iwo Jima 2 (20) | Beat Iwo Jima 2 on any difficulty setting. |
| Complete Iwo Jima 3 (20) | Beat Iwo Jima 3 on any difficulty setting. |
| Complete Wake Island With Valor (20) | Beat Wake Island on the Hard difficulty setting. |
| Complete Bataan With Valor (20) | Beat Bataan on the Hard difficulty setting. |
| Complete Guadalcanal 1 w/ Valor (20) | Beat Guadalcanal 1 on the Hard difficulty setting. |
| Complete Guadalcanal 2 w/ Valor (20) | Beat Guadalcanal 2 on the Hard difficulty setting. |
| Complete Leyte 1 With Valor (20) | Beat Leyte 1 on the Hard difficulty setting. |
| Complete Luzon With Valor (20) | Beat Luzon on the Hard difficulty setting. |
