Fuhrer's Secret Base is a sub-section of Special Operations that is accessible only if you are a member of a Corps. Corps leaders can initiate it, and it requires a team effort to conquer each of the three levels. Each corps member only gets two attempts to attack each day. Players get rewards for both making an attack and for conquering the HQ, and the entire corps is rewarded when each of the three HQs are destroyed. If a player does not destroy the HQ, the damage they did to the enemy fortifications is retained for the next attacker. In this way, the entire corps works together to finish each stage.
The battles are standard Special Operations battles, however the battlefield is much larger, and filled with substantially more enemy fortifications.
| Difficulty Level | Recommended # Players | Kill Reward | Attack Reward |
|---|---|---|---|
| 1 | 10 | 5x Victoria Fragments, 4x Lvl 3 Training Dummies | 1x Lvl 3 Training Dummy |
| 2 | 10 | 5x Victoria Fragments, 2x Lvl 3 Training Dummies | 1x Lvl 3 Training Dummy |
| 3 | 15 | 5x Victoria Fragments, 2x Lvl 3 Training Dummies, 1x Lvl 1 Training Dummy | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 4 | 15 | 6x Victoria Fragments, 2x Lvl 3 Training Dummies, 2x Lvl 1 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 5 | 20 | 7x Victoria Fragments, 4x Lvl 3 Training Dummies, 3x Lvl 1 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 6 | 20 | 7x Victoria Fragments, 2x Lvl 3 Training Dummies, 3x Lvl 1 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 7 | 30 | 8x Victoria Fragments, 4x Lvl 3 Training Dummies, 4x Lvl 1 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 8 | 30 | 8x Victoria Fragments, 2x Lvl 3 Training Dummies, 12x Lvl 1 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 1 Training Dummy |
| 9 | 40 | 9x Victoria Fragments, 2x Lvl 3 Training Dummies, 1x Lvl 2 Training Dummy | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 10 | 40 | 10x Victoria Fragments, 2x Lvl 3 Training Dummies, 1x Lvl 2 Training Dummy | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 11 | 50 | 11x Victoria Fragments, 2x Lvl 3 Training Dummies, 2x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 12 | 50 | 12x Victoria Fragments, 2x Lvl 3 Training Dummies, 3x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 13 | 55 | 12x Victoria Fragments, 2x Lvl 3 Training Dummies, 3x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 14 | 55 | 13x Victoria Fragments, 2x Lvl 3 Training Dummies, 3x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 15 | 60 | 13x Victoria Fragments, 2x Lvl 3 Training Dummies, 4x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 16 | 60 | 14x Victoria Fragments, 2x Lvl 3 Training Dummies, 4x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 17 | 65 | 14x Victoria Fragments, 2x Lvl 3 Training Dummies, 5x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 18 | 65 | 15x Victoria Fragments, 6x Lvl 3 Training Dummies, 7x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 19 | 70 | 15x Victoria Fragments, 2x Lvl 3 Training Dummies, 6x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 20 | 70 | 16x Victoria Fragments, 2x Lvl 3 Training Dummies, 6x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 21 | 75 | 17x Victoria Fragments, 4x Lvl 3 Training Dummies, 6x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 22 | 75 | 18x Victoria Fragments, 2x Lvl 3 Training Dummies, 6x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 23 | 80 | 19x Victoria Fragments, 2x Lvl 3 Training Dummies, 7x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 24 | 80 | 20x Victoria Fragments, 2x Lvl 3 Training Dummies, 7x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
| 25 | 85 | 21x Victoria Fragments, 2x Lvl 3 Training Dummies, 7x Lvl 2 Training Dummies | 1x Lvl 3 Training Dummy, 1x Lvl 2 Training Dummy |
