| Level 1 | Thriving Requirement 1: Dog Ball, at least 3 | |
| Level 2 | Thriving Requirement 2: Small Bubble Machine, at least 2; Grey Wolf Fact Sheet | |
| Level 3 | Release groups and release to the wild | |
| Level 4 | Thriving Requirement 3: Food Grade 2; Fertility Level 1 (+15% fertility) | Before this level: an Observation Network (Observation Platform) in Sweden Reserve and this species released in Sweden Reserve |
| Level 5 | Thriving Requirement 4: at least 8 objects or plants with the Leaf Litter tag | |
| Level 6 | Thriving Requirement 5: Water Surface Area; Fertility Level 2 (+30% fertility) | |
