Upgrade costs
| Level | Bread | Wood | Stone | Iron | Truegold | Tempered Truegold |
|---|---|---|---|---|---|---|
| 1 | 0 | 60 | 0 | 0 | 0 | 0 |
| 2 | 0 | 90 | 0 | 0 | 0 | 0 |
| 3 | 0 | 400 | 0 | 0 | 0 | 0 |
| 4 | 0 | 900 | 180 | 0 | 0 | 0 |
| 5 | 0 | 3,800 | 760 | 0 | 0 | 0 |
| 6 | 0 | 9,600 | 1,900 | 480 | 0 | 0 |
| 7 | 0 | 34,000 | 6,900 | 1,700 | 0 | 0 |
| 8 | 0 | 63,000 | 12,000 | 3,100 | 0 | 0 |
| 9 | 0 | 130,000 | 26,000 | 6,500 | 0 | 0 |
| 10 | 0 | 230,000 | 46,000 | 11,000 | 0 | 0 |
| 11 | 260,000 | 260,000 | 52,000 | 13,000 | 0 | 0 |
| 12 | 330,000 | 330,000 | 67,000 | 16,000 | 0 | 0 |
| 13 | 470,000 | 470,000 | 95,000 | 23,000 | 0 | 0 |
| 14 | 630,000 | 630,000 | 120,000 | 31,000 | 0 | 0 |
| 15 | 930,000 | 930,000 | 180,000 | 46,000 | 0 | 0 |
| 16 | 1,100,000 | 1,100,000 | 230,000 | 59,000 | 0 | 0 |
| 17 | 1,800,000 | 1,800,000 | 370,000 | 93,000 | 0 | 0 |
| 18 | 2,500,000 | 2,500,000 | 500,000 | 120,000 | 0 | 0 |
| 19 | 3,100,000 | 3,100,000 | 620,000 | 150,000 | 0 | 0 |
| 20 | 4,300,000 | 4,300,000 | 860,000 | 210,000 | 0 | 0 |
| 21 | 5,400,000 | 5,400,000 | 1,000,000 | 270,000 | 0 | 0 |
| 22 | 7,200,000 | 7,200,000 | 1,400,000 | 360,000 | 0 | 0 |
| 23 | 8,900,000 | 8,900,000 | 1,700,000 | 440,000 | 0 | 0 |
| 24 | 12,000,000 | 12,000,000 | 2,400,000 | 600,000 | 0 | 0 |
| 25 | 16,000,000 | 16,000,000 | 3,200,000 | 810,000 | 0 | 0 |
| 26 | 21,000,000 | 21,000,000 | 4,200,000 | 1,000,000 | 0 | 0 |
| 27 | 29,000,000 | 29,000,000 | 5,900,000 | 1,400,000 | 0 | 0 |
| 28 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 0 | 0 |
| 29 | 49,000,000 | 49,000,000 | 9,800,000 | 2,400,000 | 0 | 0 |
| 30 | 60,000,000 | 60,000,000 | 12,000,000 | 3,000,000 | 0 | 0 |
| 30-1 | 13,000,000 | 13,000,000 | 2,700,000 | 670,000 | 33 | 0 |
| 30-2 | 13,000,000 | 13,000,000 | 2,700,000 | 670,000 | 33 | 0 |
| 30-3 | 13,000,000 | 13,000,000 | 2,700,000 | 670,000 | 33 | 0 |
| 30-4 | 13,000,000 | 13,000,000 | 2,700,000 | 670,000 | 33 | 0 |
| TG 1 | 13,000,000 | 13,000,000 | 2,700,000 | 670,000 | 33 | 0 |
| TG 1-1 | 14,000,000 | 14,000,000 | 2,900,000 | 720,000 | 39 | 0 |
| TG 1-2 | 14,000,000 | 14,000,000 | 2,900,000 | 720,000 | 39 | 0 |
| TG 1-3 | 14,000,000 | 14,000,000 | 2,900,000 | 720,000 | 39 | 0 |
| TG 1-4 | 14,000,000 | 14,000,000 | 2,900,000 | 720,000 | 39 | 0 |
| TG 2 | 14,000,000 | 14,000,000 | 2,900,000 | 720,000 | 39 | 0 |
| TG 2-1 | 15,000,000 | 15,000,000 | 3,100,000 | 790,000 | 59 | 0 |
| TG 2-2 | 15,000,000 | 15,000,000 | 3,100,000 | 790,000 | 59 | 0 |
| TG 2-3 | 15,000,000 | 15,000,000 | 3,100,000 | 790,000 | 59 | 0 |
| TG 2-4 | 15,000,000 | 15,000,000 | 3,100,000 | 790,000 | 59 | 0 |
| TG 3 | 15,000,000 | 15,000,000 | 3,100,000 | 790,000 | 59 | 0 |
| TG 3-1 | 16,000,000 | 16,000,000 | 3,200,000 | 820,000 | 70 | 0 |
| TG 3-2 | 16,000,000 | 16,000,000 | 3,200,000 | 820,000 | 70 | 0 |
| TG 3-3 | 16,000,000 | 16,000,000 | 3,200,000 | 820,000 | 70 | 0 |
| TG 3-4 | 16,000,000 | 16,000,000 | 3,200,000 | 820,000 | 70 | 0 |
| TG 4 | 16,000,000 | 16,000,000 | 3,200,000 | 820,000 | 70 | 0 |
| TG 4-1 | 16,000,000 | 16,000,000 | 3,300,000 | 840,000 | 83 | 0 |
| TG 4-2 | 16,000,000 | 16,000,000 | 3,300,000 | 840,000 | 83 | 0 |
| TG 4-3 | 16,000,000 | 16,000,000 | 3,300,000 | 840,000 | 83 | 0 |
| TG 4-4 | 16,000,000 | 16,000,000 | 3,300,000 | 840,000 | 83 | 0 |
| TG 5 | 16,000,000 | 16,000,000 | 3,300,000 | 840,000 | 83 | 0 |
| TG 5-1 | 19,000,000 | 19,000,000 | 3,800,000 | 960,000 | 50 | 2 |
| TG 5-2 | 19,000,000 | 19,000,000 | 3,800,000 | 960,000 | 50 | 2 |
| TG 5-3 | 19,000,000 | 19,000,000 | 3,800,000 | 960,000 | 50 | 2 |
| TG 5-4 | 19,000,000 | 19,000,000 | 3,800,000 | 960,000 | 50 | 2 |
| TG 6 | 19,000,000 | 19,000,000 | 3,800,000 | 960,000 | 25 | 5 |
| TG 6-1 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 60 | 3 |
| TG 6-2 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 60 | 3 |
| TG 6-3 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 60 | 3 |
| TG 6-4 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 60 | 3 |
| TG 7 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 30 | 7 |
| TG 7-1 | 26,000,000 | 26,000,000 | 5,300,000 | 1,300,000 | 60 | 5 |
| TG 7-2 | 26,000,000 | 26,000,000 | 5,300,000 | 1,300,000 | 60 | 5 |
| TG 7-3 | 26,000,000 | 26,000,000 | 5,300,000 | 1,300,000 | 60 | 5 |
| TG 7-4 | 26,000,000 | 26,000,000 | 5,300,000 | 1,300,000 | 60 | 5 |
| TG 8 | 26,000,000 | 26,000,000 | 5,300,000 | 1,300,000 | 30 | 10 |
| TG 8-1 | 29,000,000 | 29,000,000 | 5,800,000 | 1,400,000 | 70 | 7 |
| TG 8-2 | 29,000,000 | 29,000,000 | 5,800,000 | 1,400,000 | 70 | 7 |
| TG 8-3 | 29,000,000 | 29,000,000 | 5,800,000 | 1,400,000 | 70 | 7 |
| TG 8-4 | 29,000,000 | 29,000,000 | 5,800,000 | 1,400,000 | 70 | 7 |
| TG 9 | 29,000,000 | 29,000,000 | 5,800,000 | 1,400,000 | 35 | 15 |
| TG 9-1 | 33,000,000 | 33,000,000 | 6,700,000 | 1,600,000 | 87 | 17 |
| TG 9-2 | 33,000,000 | 33,000,000 | 6,700,000 | 1,600,000 | 87 | 17 |
| TG 9-3 | 33,000,000 | 33,000,000 | 6,700,000 | 1,600,000 | 87 | 17 |
| TG 9-4 | 33,000,000 | 33,000,000 | 6,700,000 | 1,600,000 | 87 | 17 |
| TG 10 | 33,000,000 | 33,000,000 | 6,700,000 | 1,600,000 | 43 | 35 |
Requirements and results
| Level | Requirements | Time | Power |
|---|---|---|---|
| 1 | Town Center Lv. 8 | 2s | 440 |
| 2 | Town Center Lv. 8 | 10s | 836 |
| 3 | Town Center Lv. 8 | 1m | 1,430 |
| 4 | Town Center Lv. 8 | 2m | 2,222 |
| 5 | Town Center Lv. 8 | 6m | 3,410 |
| 6 | Town Center Lv. 8 | 13m | 5,192 |
| 7 | Town Center Lv. 8 | 25m | 7,766 |
| 8 | Town Center Lv. 8 | 45m | 10,340 |
| 9 | Town Center Lv. 9 | 2h | 12,914 |
| 10 | Town Center Lv. 10 | 3h 57m | 16,654 |
| 11 | Town Center Lv. 11 | 4h 57m | 20,394 |
| 12 | Town Center Lv. 12 | 5h 56m | 24,134 |
| 13 | Town Center Lv. 13 | 7h 15m | 30,448 |
| 14 | Town Center Lv. 14 | 9h 14m | 36,762 |
| 15 | Town Center Lv. 15 | 11h 52m | 43,076 |
| 16 | Town Center Lv. 16 | 20h 7m | 51,964 |
| 17 | Town Center Lv. 17 | 1d 8m | 60,852 |
| 18 | Town Center Lv. 18 | 1d 4h 58m | 69,740 |
| 19 | Town Center Lv. 19 | 1d 19h 27m | 82,368 |
| 20 | Town Center Lv. 20 | 2d 6h 19m | 94,996 |
| 21 | Town Center Lv. 21 | 2d 22h 36m | 107,624 |
| 22 | Town Center Lv. 22 | 4d 9h 55m | 126,566 |
| 23 | Town Center Lv. 23 | 6d 4h 17m | 145,508 |
| 24 | Town Center Lv. 24 | 8d 15h 36m | 164,450 |
| 25 | Town Center Lv. 25 | 12d 2h 38m | 183,392 |
| 26 | Town Center Lv. 26 | 13d 22h 14m | 211,222 |
| 27 | Town Center Lv. 27 | 16d 17h 5m | 239,052 |
| 28 | Town Center Lv. 28 | 19d 5h 15m | 266,882 |
| 29 | Town Center Lv. 29 | 22d 2h 26m | 294,712 |
| 30 | Town Center Lv. 30 | 26d 12h 32m | 335,170 |
| 30-1 | Town Center TG 1 | 4d 14h 52m | 347,798 |
| 30-2 | Town Center TG 1 | 4d 14h 52m | 360,426 |
| 30-3 | Town Center TG 1 | 4d 14h 52m | 373,054 |
| 30-4 | Town Center TG 1 | 4d 14h 52m | 385,682 |
| TG 1 | Town Center TG 1 | 4d 14h 52m | 398,310 |
| TG 1-1 | Town Center TG 2 | 5d 22h 33m | 410,938 |
| TG 1-2 | Town Center TG 2 | 5d 22h 33m | 423,566 |
| TG 1-3 | Town Center TG 2 | 5d 22h 33m | 436,194 |
| TG 1-4 | Town Center TG 2 | 5d 22h 33m | 448,822 |
| TG 2 | Town Center TG 2 | 5d 22h 33m | 461,450 |
| TG 2-1 | Town Center TG 3 | 7d 6h 14m | 474,078 |
| TG 2-2 | Town Center TG 3 | 7d 6h 14m | 486,706 |
| TG 2-3 | Town Center TG 3 | 7d 6h 14m | 499,334 |
| TG 2-4 | Town Center TG 3 | 7d 6h 14m | 511,962 |
| TG 3 | Town Center TG 3 | 7d 6h 14m | 524,590 |
| TG 3-1 | Town Center TG 4 | 7d 22h 4m | 538,494 |
| TG 3-2 | Town Center TG 4 | 7d 22h 4m | 552,398 |
| TG 3-3 | Town Center TG 4 | 7d 22h 4m | 566,302 |
| TG 3-4 | Town Center TG 4 | 7d 22h 4m | 580,206 |
| TG 4 | Town Center TG 4 | 7d 22h 4m | 594,110 |
| TG 4-1 | Town Center TG 5 | 9d 5h 45m | 608,014 |
| TG 4-2 | Town Center TG 5 | 9d 5h 45m | 621,918 |
| TG 4-3 | Town Center TG 5 | 9d 5h 45m | 635,822 |
| TG 4-4 | Town Center TG 5 | 9d 5h 45m | 649,726 |
| TG 5 | Town Center TG 5 | 9d 5h 45m | 663,630 |
| TG 5-1 | Town Center TG 6 | 9d 21h 36m | 678,502 |
| TG 5-2 | Town Center TG 6 | 9d 21h 36m | 693,374 |
| TG 5-3 | Town Center TG 6 | 9d 21h 36m | 708,246 |
| TG 5-4 | Town Center TG 6 | 9d 21h 36m | 723,118 |
| TG 6 | Town Center TG 6 | 9d 21h 36m | 737,990 |
| TG 6-1 | Town Center TG 7 | 11d 21h 7m | 752,862 |
| TG 6-2 | Town Center TG 7 | 11d 21h 7m | 767,734 |
| TG 6-3 | Town Center TG 7 | 11d 21h 7m | 782,606 |
| TG 6-4 | Town Center TG 7 | 11d 21h 7m | 797,478 |
| TG 7 | Town Center TG 7 | 11d 21h 7m | 812,350 |
| TG 7-1 | Town Center TG 8 | 13d 4h 48m | 827,222 |
| TG 7-2 | Town Center TG 8 | 13d 4h 48m | 842,094 |
| TG 7-3 | Town Center TG 8 | 13d 4h 48m | 856,966 |
| TG 7-4 | Town Center TG 8 | 13d 4h 48m | 871,838 |
| TG 8 | Town Center TG 8 | 13d 4h 48m | 886,710 |
| TG 8-1 | Town Center TG 9 | 8d 13h 55m | 902,638 |
| TG 8-2 | Town Center TG 9 | 8d 13h 55m | 918,566 |
| TG 8-3 | Town Center TG 9 | 8d 13h 55m | 934,494 |
| TG 8-4 | Town Center TG 9 | 8d 13h 55m | 950,422 |
| TG 9 | Town Center TG 9 | 8d 13h 55m | 966,350 |
| TG 9-1 | Town Center TG 10 | 13d 4h 48m | 982,278 |
| TG 9-2 | Town Center TG 10 | 13d 4h 48m | 998,206 |
| TG 9-3 | Town Center TG 10 | 13d 4h 48m | 1,014,134 |
| TG 9-4 | Town Center TG 10 | 13d 4h 48m | 1,030,062 |
| TG 10 | Town Center TG 10 | 13d 4h 48m | 1,045,990 |
Effects by level
| Level | Ally Assists | Reinforce Capacity |
|---|---|---|
| 1 | +1 | +1,500 |
| 2 | +2 | +3,500 |
| 3 | +3 | +5,700 |
| 4 | +4 | +8,000 |
| 5 | +5 | +11,500 |
| 6 | +6 | +15,000 |
| 7 | +7 | +19,000 |
| 8 | +8 | +24,000 |
| 9 | +9 | +29,500 |
| 10 | +10 | +35,500 |
| 11 | +11 | +43,500 |
| 12 | +12 | +52,000 |
| 13 | +13 | +62,000 |
| 14 | +14 | +73,500 |
| 15 | +15 | +87,500 |
| 16 | +16 | +105,000 |
| 17 | +17 | +120,000 |
| 18 | +18 | +140,000 |
| 19 | +19 | +165,000 |
| 20 | +20 | +195,000 |
| 21 | +21 | +225,000 |
| 22 | +22 | +260,000 |
| 23 | +23 | +305,000 |
| 24 | +24 | +350,000 |
| 25 | +25 | +400,000 |
| 26 | +26 | +470,000 |
| 27 | +27 | +550,000 |
| 28 | +28 | +630,000 |
| 29 | +29 | +725,000 |
| 30 | +30 | +840,000 |
| 30-1 | +30 | +845,000 |
| 30-2 | +30 | +850,000 |
| 30-3 | +30 | +855,000 |
| 30-4 | +30 | +860,000 |
| TG 1 | +30 | +865,000 |
| TG 1-1 | +30 | +870,000 |
| TG 1-2 | +30 | +875,000 |
| TG 1-3 | +30 | +880,000 |
| TG 1-4 | +30 | +885,000 |
| TG 2 | +30 | +890,000 |
| TG 2-1 | +30 | +895,000 |
| TG 2-2 | +30 | +900,000 |
| TG 2-3 | +30 | +905,000 |
| TG 2-4 | +30 | +910,000 |
| TG 3 | +30 | +915,000 |
| TG 3-1 | +30 | +920,000 |
| TG 3-2 | +30 | +925,000 |
| TG 3-3 | +30 | +930,000 |
| TG 3-4 | +30 | +935,000 |
| TG 4 | +30 | +940,000 |
| TG 4-1 | +30 | +945,000 |
| TG 4-2 | +30 | +950,000 |
| TG 4-3 | +30 | +955,000 |
| TG 4-4 | +30 | +960,000 |
| TG 5 | +30 | +965,000 |
| TG 5-1 | +30 | +970,000 |
| TG 5-2 | +30 | +975,000 |
| TG 5-3 | +30 | +980,000 |
| TG 5-4 | +30 | +985,000 |
| TG 6 | +30 | +990,000 |
| TG 6-1 | +30 | +995,000 |
| TG 6-2 | +30 | +1,000,000 |
| TG 6-3 | +30 | +1,005,000 |
| TG 6-4 | +30 | +1,010,000 |
| TG 7 | +30 | +1,015,000 |
| TG 7-1 | +30 | +1,020,000 |
| TG 7-2 | +30 | +1,025,000 |
| TG 7-3 | +30 | +1,030,000 |
| TG 7-4 | +30 | +1,035,000 |
| TG 8 | +30 | +1,040,000 |
| TG 8-1 | +30 | +1,045,000 |
| TG 8-2 | +30 | +1,050,000 |
| TG 8-3 | +30 | +1,055,000 |
| TG 8-4 | +30 | +1,060,000 |
| TG 9 | +30 | +1,065,000 |
| TG 9-1 | +30 | +1,070,000 |
| TG 9-2 | +30 | +1,075,000 |
| TG 9-3 | +30 | +1,080,000 |
| TG 9-4 | +30 | +1,085,000 |
| TG 10 | +30 | +1,090,000 |
About these numbers
Costs, requirements, power and effects come from the game's own files. Times are base build times before construction speed bonuses, and power and effects are the building's totals at each level.