Full details for the Engine technology, from level 1 to level 4.
Armor research — the backbone of fast land conquest. "Engine" scales up to level 4. Maximum effect: "Mobility +4". Available from the start of research. Max this first on fast-conquest campaigns.
| Level | Gold | Industry | Energy | Tech | Effet |
|---|---|---|---|---|---|
| L1 | 4000 | 0 | 160 | 0 | Mobility +1 |
| L2 | 21250 | 0 | 850 | 0 | Mobility +2 |
| L3 | 70000 | 0 | 2800 | 0 | Mobility +3 |
| L4 | 155000 | 0 | 6200 | 0 | Mobility +4 |