| Level 1 | Thriving Requirement 1: Rubbing Pillar, at least 2 | |
| Level 2 | Nyala Fact Sheet | |
| Level 3 | Thriving Requirement 2: Long Grass terrain | |
| Level 4 | Thriving Requirement 3: Food Grade 2; Fertility Level 1 (+15% fertility) | Before this level: an Observation Network (Observation Platform) in Great Rift Valley Reserve and this species released in Great Rift Valley Reserve |
| Level 5 | Thriving Requirement 4: at least 5 objects or plants with the Spreading Crown tag | |
| Level 6 | Thriving Requirement 5: African Savannah Social Group; Fertility Level 2 (+30% fertility) | |
