Research
Tooling Up IV
CategoryGrowth
Queuemain
Tier4
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Construction Speed 1.2% (1.2) | building: research-center 14；research: command-tactics-ii 1 | Coal × 49000、Iron × 12000、Meat × 240000、Steel × 3200、Wood × 240000 | 6000 | 2h 13m 20s |
| 2 | Construction Speed 1.2% (2.4) | building: research-center 15 | Coal × 69000、Iron × 17000、Meat × 340000、Steel × 4400、Wood × 340000 | 6000 | 3h 20m |
| 3 | Construction Speed 1.5% (3.9) | building: research-center 16 | Coal × 140000、Iron × 37000、Meat × 740000、Steel × 9600、Wood × 740000 | 7500 | 8h 53m 20s |