| Clear a Campaign Scenario on Biohazard Difficulty or higher. | 3.10% 极为珍贵 | |
| Clear a Campaign Scenario on Nightmare Difficulty or higher. | 2.90% 极为珍贵 | |
| Complete Onslaught Mode on any difficulty. | 3.70% 极为珍贵 | |
| Clear a Campaign Scenario on Normal Difficulty or higher. | 6.70% 非常珍贵 | |
| Defeat a Reptile. | 25.90% 珍贵 | |
| Fail to survive. | 56.20% 一般 | |
|
#3 Easy Peasy Clear a Campaign Scenario on Easy Difficulty or higher. |
8.30% 非常珍贵 | |
| Defeat a Zombie. | 86.80% 一般 |