| Tier | Column 1 | Column 2 |
|---|---|---|
| Tier 1 | +1 Production Material/City | +1 Food/City |
| Tier 2 | 10% Faster Production Material | 10% Faster Food Production |
| Tier 3 | +2 Production Material/City | +2 Food/City |
| Tier 4 | 20% Faster Production Material | 20% Faster Food Production |
| Tier | Column 1 | Column 2 |
|---|---|---|
| Tier 1 | 10% Faster Movement | 10% Faster Colonization |
| Tier 2 | Army Sight +1 | Areas Collapsing Reveal Fog of War |
| Tier | Column 1 | Column 2 |
|---|---|---|
| Tier 1 | 10% Faster Colonization | 20% Faster Unstationing |
| Tier 2 | 10% Increased Vitality in Battles | 10% High Damage in Battles |
| Tier 3 | -1 Upkeep Per City | +1 Troop When Producing Army |
| Tier 4 | 10% Lower Army Upkeep | Armies Can Retreat from Battle without taking Damage |