An era is a period of time marked by discoveries and inventions, and introduce major changes in economy, production and science. A change of an era is initiated by the first discovery of any technology of the next era, and with the multiplier of the era, the production cost of the previous technologies, buildings, units and wonders in the previous eras are increased significantly with the multipliers:
Era
|
Bronze
|
Iron
|
Exploration
|
Gunpowder
|
Industrial
|
Modern
|
High-tech
|
Space
|
Bronze | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Iron | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Exploration | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Gunpowder | 5.0 | 2.5 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Industrial | 10.0 | 5.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Modern | 25.0 | 12.5 | 5.0 | 2.5 | 1.0 | 1.0 | 1.0 | 1.0 |
High-tech | 50.0 | 25.0 | 10.0 | 5.0 | 2.0 | 1.0 | 1.0 | 1.0 |
Space | 125.0 | 62.5 | 25.0 | 12.5 | 5.0 | 2.5 | 1.0 | 1.0 |
(Content is available under the GNU General Public License).
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