Description

Further increases gold production in the Goldmine.

Upgrade Table

Internal clipboard.svg Please note
The research times listed below assume no research bonuses are active, such as those from technologies, alliance technologies, or VIP perks. While we cannot predict your research time, it will likely be less.
Level Gold Production Requirements Costs Time Power
1 +1.0% Mathematics Level ?
Academy Level 19
Resource icon food.png 200.0K
Resource icon wood.png 200.0K
Resource icon stone.png 150.0K
Resource icon gold.png 100.0K
10h 3,190
2 +3.0% Coinage Level 1
Academy Level 19
Resource icon food.png 300.0K
Resource icon wood.png 300.0K
Resource icon stone.png 225.0K
Resource icon gold.png 150.0K
14h 7,831
3 +6.0% Coinage Level 2
Academy Level 19
Resource icon food.png 450.0K
Resource icon wood.png 450.0K
Resource icon stone.png 338.0K
Resource icon gold.png 225.0K
19h 36m 14,592
4 +10.0% Coinage Level 3
Academy Level 19
Resource icon food.png 675.0K
Resource icon wood.png 675.0K
Resource icon stone.png 507.0K
Resource icon gold.png 338.0K
1d 3h 24,454
5 +15.0% Coinage Level 4
Academy Level 21
Resource icon food.png 1.01M
Resource icon wood.png 1.01M
Resource icon stone.png 761.0K
Resource icon gold.png 507.0K
1d 14h 38,855
6 +20.0% Coinage Level 5
Academy Level 21
Resource icon food.png 1.52M
Resource icon wood.png 1.52M
Resource icon stone.png 1.14M
Resource icon gold.png 761.0K
2d 6h 59,910
7 +25.0% Coinage Level 6
Academy Level 21
Resource icon food.png 2.28M
Resource icon wood.png 2.28M
Resource icon stone.png 1.71M
Resource icon gold.png 1.14M
3d 3h 90,721
8 +30.0% Coinage Level 7
Academy Level 21
Resource icon food.png 3.42M
Resource icon wood.png 3.42M
Resource icon stone.png 2.57M
Resource icon gold.png 1.71M
4d 9h 135,855
9 +40.0% Coinage Level 8
Academy Level 21
Resource icon food.png 5.13M
Resource icon wood.png 5.13M
Resource icon stone.png 3.86M
Resource icon gold.png 2.57M
6d 4h 202,041
10 +55.0% Coinage Level 9
Academy Level 24
Resource icon food.png 7.70M
Resource icon wood.png 7.70M
Resource icon stone.png 5.78M
Resource icon gold.png 3.86M
8d 15h 299,196

Upgrade Rewards

Advanced Research — Research Coinage in the Academy (edit)
Level Reward
Resource icon food.png Food Resource icon wood.png Wood Resource icon stone.png Stone Resource icon gold.png Gold
1 ? ? ? ?
2 1,000 1,000 800 1,100
3 ? ? ? ?
4 ? ? ? ?
5 ? ? ? ?
6 ? ? ? ?
7 ? ? ? ?
8 ? ? ? ?
9 ? ? ? ?
10 ? ? ? ?
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