Bronze to Colonial Age
Til navigasjon
| Bronsealder | Jernalder | Tidelig Middelalder | Høymiddelalder | Senmiddelalder | Kolonitiden | |
| Tower | 
|
|
|
|
|
|
|---|---|---|---|---|---|---|
1.
|
10 | 25 | 50 | 100 | 175 | 300 |
| 2.
|
5 | 15 | 25 | 50 | 125 | 150 |
| 3.
|
3 | 8 | 15 | 25 | 75 | 80 |
| 4.
|
2 | 4 | 8 | 15 | 50 | 60 |
| 5.
|
1 | 2 | 4 | 8 | 40 | 50 |
| 6.
|
4 | 30 | 40 | |||
| 7.
|
20 | 30 | ||||
| 8.
|
10 | 20 | ||||
| 9.
|
5 | 10 | ||||
| 10.
|
| Return | Industrial to Contemporary Era | Tomorrow to Arctic Future Era |