Defense Tower
Description: The protection of the settlement comes from the defenses built at the Defense Tower. Each upgrade of the Defense Tower reduces the time to build the defense systems.
Research: Enhanced Defense Systems I

Building the Defense Tower level 1, takes 2 minutes, 30 seconds and costs:

Level Resource Quantity
1 Iron: 700
1 Titanium: 350
1 Aluminum: 262.5
1 Copper: 87.5
1 Zinc: 87.5

Building the Defense Tower level 2, takes 4 minutes and costs:

Level Resource Quantity
2 Iron: 1000
2 Titanium: 500
2 Aluminum: 375
2 Copper: 125
2 Zinc: 125

Building the Defense Tower level 3, takes 5 minutes, 30 seconds and costs:

Level Resource Quantity
3 Iron: 1300
3 Titanium: 650
3 Aluminum: 487.5
3 Copper: 162.5
3 Zinc: 162.5

Building the Defense Tower level 4, takes 7 minutes and costs:

Level Resource Quantity
4 Iron: 1600
4 Titanium: 800
4 Aluminum: 600
4 Copper: 200
4 Zinc: 200

Building the Defense Tower level 5, takes 8 minutes, 30 seconds and costs:

Level Resource Quantity
5 Iron: 1900
5 Titanium: 950
5 Aluminum: 712.5
5 Copper: 237.5
5 Zinc: 237.5

Building the Defense Tower level 6, takes 10 minutes and costs:

Level Resource Quantity
6 Iron: 2200
6 Titanium: 1100
6 Aluminum: 825
6 Copper: 275
6 Zinc: 275

Building the Defense Tower level 7, takes 11 minutes, 30 seconds and costs:

Level Resource Quantity
7 Iron: 2500
7 Titanium: 1250
7 Aluminum: 937.5
7 Copper: 312.5
7 Zinc: 312.5

Building the Defense Tower level 8, takes 13 minutes and costs:

Level Resource Quantity
8 Iron: 2800
8 Titanium: 1400
8 Aluminum: 1050
8 Copper: 350
8 Zinc: 350

Building the Defense Tower level 9, takes 14 minutes, 30 seconds and costs:

Level Resource Quantity
9 Iron: 3100
9 Titanium: 1550
9 Aluminum: 1162.5
9 Copper: 387.5
9 Zinc: 387.5

Building the Defense Tower level 10, takes 16 minutes and costs:

Level Resource Quantity
10 Iron: 3400
10 Titanium: 1700
10 Aluminum: 1275
10 Copper: 425
10 Zinc: 425

Building the Defense Tower level 11, takes 17 minutes, 30 seconds and costs:

Level Resource Quantity
11 Iron: 3700
11 Titanium: 1850
11 Aluminum: 1387.5
11 Copper: 462.5
11 Zinc: 462.5

Building the Defense Tower level 12, takes 19 minutes and costs:

Level Resource Quantity
12 Iron: 4000
12 Titanium: 2000
12 Aluminum: 1500
12 Copper: 500
12 Zinc: 500

Building the Defense Tower level 13, takes 20 minutes, 30 seconds and costs:

Level Resource Quantity
13 Iron: 4300
13 Titanium: 2150
13 Aluminum: 1612.5
13 Copper: 537.5
13 Zinc: 537.5

Building the Defense Tower level 14, takes 22 minutes and costs:

Level Resource Quantity
14 Iron: 4600
14 Titanium: 2300
14 Aluminum: 1725
14 Copper: 575
14 Zinc: 575

Building the Defense Tower level 15, takes 23 minutes, 30 seconds and costs:

Level Resource Quantity
15 Iron: 4900
15 Titanium: 2450
15 Aluminum: 1837.5
15 Copper: 612.5
15 Zinc: 612.5

Building the Defense Tower level 16, takes 25 minutes and costs:

Level Resource Quantity
16 Iron: 5200
16 Titanium: 2600
16 Aluminum: 1950
16 Copper: 650
16 Zinc: 650

Building the Defense Tower level 17, takes 26 minutes, 30 seconds and costs:

Level Resource Quantity
17 Iron: 5500
17 Titanium: 2750
17 Aluminum: 2062.5
17 Copper: 687.5
17 Zinc: 687.5

Building the Defense Tower level 18, takes 28 minutes and costs:

Level Resource Quantity
18 Iron: 5800
18 Titanium: 2900
18 Aluminum: 2175
18 Copper: 725
18 Zinc: 725

Building the Defense Tower level 19, takes 29 minutes, 30 seconds and costs:

Level Resource Quantity
19 Iron: 6100
19 Titanium: 3050
19 Aluminum: 2287.5
19 Copper: 762.5
19 Zinc: 762.5

Building the Defense Tower level 20, takes 31 minutes and costs:

Level Resource Quantity
20 Iron: 6400
20 Titanium: 3200
20 Aluminum: 2400
20 Copper: 800
20 Zinc: 800

Building the Defense Tower level 21, takes 32 minutes, 30 seconds and costs:

Level Resource Quantity
21 Iron: 6700
21 Titanium: 3350
21 Aluminum: 2512.5
21 Copper: 837.5
21 Zinc: 837.5

Building the Defense Tower level 22, takes 34 minutes and costs:

Level Resource Quantity
22 Iron: 7000
22 Titanium: 3500
22 Aluminum: 2625
22 Copper: 875
22 Zinc: 875

Building the Defense Tower level 23, takes 35 minutes, 30 seconds and costs:

Level Resource Quantity
23 Iron: 7300
23 Titanium: 3650
23 Aluminum: 2737.5
23 Copper: 912.5
23 Zinc: 912.5

Building the Defense Tower level 24, takes 37 minutes and costs:

Level Resource Quantity
24 Iron: 7600
24 Titanium: 3800
24 Aluminum: 2850
24 Copper: 950
24 Zinc: 950

Building the Defense Tower level 25, takes 38 minutes, 30 seconds and costs:

Level Resource Quantity
25 Iron: 7900
25 Titanium: 3950
25 Aluminum: 2962.5
25 Copper: 987.5
25 Zinc: 987.5