Investigación
Ward Expansion IV
CategoryGrowth
Queuemain
Tier4
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Infirmary Capacity 4300 (4300) | building: research-center 15；research: tooling-up-iv 1 | Coal × 12000、Iron × 3100、Meat × 62000、Steel × 800、Wood × 62000 | 8600 | 1h 6m 40s |
| 2 | Infirmary Capacity 4300 (8600) | building: research-center 16 | Coal × 17000、Iron × 4300、Meat × 86000、Steel × 1100、Wood × 86000 | 8600 | 1h 40m |
| 3 | Infirmary Capacity 5800 (14400) | building: research-center 17 | Coal × 37000、Iron × 9300、Meat × 180000、Steel × 2400、Wood × 180000 | 11600 | 4h 26m 40s |