연구 레벨
| Level | Unlocks |
|---|---|
| Level 1 | Thriving Requirement 1: Short Grass terrain; Bactrian Camel Fact Sheet |
| Level 2 | Thriving Requirement 2: Rubbing Pillar, at least 3; Fertility Level 1 (+15% fertility) |
| Level 3 | Thriving Requirement 3: Food Grade 2 |
| Level 4 | Thriving Requirement 4: at least 7 objects or plants with the Shrub tag |
| Level 5 | Thriving Requirement 5: at least 3 objects or plants with the Thorny tag; Fertility Level 2 (+30% fertility) |
