Upgrade costs
| Level | Bread | Wood | Stone | Iron | Truegold | Tempered Truegold |
|---|---|---|---|---|---|---|
| TG 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| TG 1-1 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 71 | 0 |
| TG 1-2 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 71 | 0 |
| TG 1-3 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 71 | 0 |
| TG 1-4 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 71 | 0 |
| TG 2 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 71 | 0 |
| TG 2-1 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 107 | 0 |
| TG 2-2 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 107 | 0 |
| TG 2-3 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 107 | 0 |
| TG 2-4 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 107 | 0 |
| TG 3 | 39,000,000 | 39,000,000 | 7,900,000 | 1,900,000 | 107 | 0 |
| TG 3-1 | 41,000,000 | 41,000,000 | 8,200,000 | 2,000,000 | 126 | 0 |
| TG 3-2 | 41,000,000 | 41,000,000 | 8,200,000 | 2,000,000 | 126 | 0 |
| TG 3-3 | 41,000,000 | 41,000,000 | 8,200,000 | 2,000,000 | 126 | 0 |
| TG 3-4 | 41,000,000 | 41,000,000 | 8,200,000 | 2,000,000 | 126 | 0 |
| TG 4 | 41,000,000 | 41,000,000 | 8,200,000 | 2,000,000 | 126 | 0 |
| TG 4-1 | 42,000,000 | 42,000,000 | 8,400,000 | 2,100,000 | 150 | 0 |
| TG 4-2 | 42,000,000 | 42,000,000 | 8,400,000 | 2,100,000 | 150 | 0 |
| TG 4-3 | 42,000,000 | 42,000,000 | 8,400,000 | 2,100,000 | 150 | 0 |
| TG 4-4 | 42,000,000 | 42,000,000 | 8,400,000 | 2,100,000 | 150 | 0 |
| TG 5 | 42,000,000 | 42,000,000 | 8,400,000 | 2,100,000 | 150 | 0 |
| TG 5-1 | 48,000,000 | 48,000,000 | 9,600,000 | 2,400,000 | 90 | 4 |
| TG 5-2 | 48,000,000 | 48,000,000 | 9,600,000 | 2,400,000 | 90 | 4 |
| TG 5-3 | 48,000,000 | 48,000,000 | 9,600,000 | 2,400,000 | 90 | 4 |
| TG 5-4 | 48,000,000 | 48,000,000 | 9,600,000 | 2,400,000 | 90 | 4 |
| TG 6 | 48,000,000 | 48,000,000 | 9,600,000 | 2,400,000 | 45 | 9 |
| TG 6-1 | 54,000,000 | 54,000,000 | 10,000,000 | 2,700,000 | 108 | 6 |
| TG 6-2 | 54,000,000 | 54,000,000 | 10,000,000 | 2,700,000 | 108 | 6 |
| TG 6-3 | 54,000,000 | 54,000,000 | 10,000,000 | 2,700,000 | 108 | 6 |
| TG 6-4 | 54,000,000 | 54,000,000 | 10,000,000 | 2,700,000 | 108 | 6 |
| TG 7 | 54,000,000 | 54,000,000 | 10,000,000 | 2,700,000 | 54 | 13 |
| TG 7-1 | 66,000,000 | 66,000,000 | 13,000,000 | 3,300,000 | 108 | 9 |
| TG 7-2 | 66,000,000 | 66,000,000 | 13,000,000 | 3,300,000 | 108 | 9 |
| TG 7-3 | 66,000,000 | 66,000,000 | 13,000,000 | 3,300,000 | 108 | 9 |
| TG 7-4 | 66,000,000 | 66,000,000 | 13,000,000 | 3,300,000 | 108 | 9 |
| TG 8 | 66,000,000 | 66,000,000 | 13,000,000 | 3,300,000 | 54 | 18 |
| TG 8-1 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 126 | 13 |
| TG 8-2 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 126 | 13 |
| TG 8-3 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 126 | 13 |
| TG 8-4 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 126 | 13 |
| TG 9 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 63 | 27 |
| TG 9-1 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 157 | 31 |
| TG 9-2 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 157 | 31 |
| TG 9-3 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 157 | 31 |
| TG 9-4 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 157 | 31 |
| TG 10 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 78 | 63 |
Requirements and results
| Level | Requirements | Time | Power |
|---|---|---|---|
| TG 1 | Town Center TG 1 | 2s | 217,260 |
| TG 1-1 | Town Center TG 2 | 1d 19h 12m | 224,148 |
| TG 1-2 | Town Center TG 2 | 1d 19h 12m | 231,036 |
| TG 1-3 | Town Center TG 2 | 1d 19h 12m | 237,924 |
| TG 1-4 | Town Center TG 2 | 1d 19h 12m | 244,812 |
| TG 2 | Town Center TG 2 | 1d 19h 12m | 251,700 |
| TG 2-1 | Town Center TG 3 | 2d 4h 48m | 258,588 |
| TG 2-2 | Town Center TG 3 | 2d 4h 48m | 265,476 |
| TG 2-3 | Town Center TG 3 | 2d 4h 48m | 272,364 |
| TG 2-4 | Town Center TG 3 | 2d 4h 48m | 279,252 |
| TG 3 | Town Center TG 3 | 2d 4h 48m | 286,140 |
| TG 3-1 | Town Center TG 4 | 2d 9h 36m | 293,724 |
| TG 3-2 | Town Center TG 4 | 2d 9h 36m | 301,308 |
| TG 3-3 | Town Center TG 4 | 2d 9h 36m | 308,892 |
| TG 3-4 | Town Center TG 4 | 2d 9h 36m | 316,476 |
| TG 4 | Town Center TG 4 | 2d 9h 36m | 324,060 |
| TG 4-1 | Town Center TG 5 | 2d 19h 12m | 331,644 |
| TG 4-2 | Town Center TG 5 | 2d 19h 12m | 339,228 |
| TG 4-3 | Town Center TG 5 | 2d 19h 12m | 346,812 |
| TG 4-4 | Town Center TG 5 | 2d 19h 12m | 354,396 |
| TG 5 | Town Center TG 5 | 2d 19h 12m | 361,980 |
| TG 5-1 | Town Center TG 6 | 3d | 370,092 |
| TG 5-2 | Town Center TG 6 | 3d | 378,204 |
| TG 5-3 | Town Center TG 6 | 3d | 386,316 |
| TG 5-4 | Town Center TG 6 | 3d | 394,428 |
| TG 6 | Town Center TG 6 | 3d | 402,540 |
| TG 6-1 | Town Center TG 7 | 3d 14h 24m | 410,652 |
| TG 6-2 | Town Center TG 7 | 3d 14h 24m | 418,764 |
| TG 6-3 | Town Center TG 7 | 3d 14h 24m | 426,876 |
| TG 6-4 | Town Center TG 7 | 3d 14h 24m | 434,988 |
| TG 7 | Town Center TG 7 | 3d 14h 24m | 443,100 |
| TG 7-1 | Town Center TG 8 | 4d | 451,212 |
| TG 7-2 | Town Center TG 8 | 4d | 459,324 |
| TG 7-3 | Town Center TG 8 | 4d | 467,436 |
| TG 7-4 | Town Center TG 8 | 4d | 475,548 |
| TG 8 | Town Center TG 8 | 4d | 483,660 |
| TG 8-1 | Town Center TG 9 | 2d 14h 24m | 492,348 |
| TG 8-2 | Town Center TG 9 | 2d 14h 24m | 501,036 |
| TG 8-3 | Town Center TG 9 | 2d 14h 24m | 509,724 |
| TG 8-4 | Town Center TG 9 | 2d 14h 24m | 518,412 |
| TG 9 | Town Center TG 9 | 2d 14h 24m | 527,100 |
| TG 9-1 | Town Center TG 10 | 4d | 535,788 |
| TG 9-2 | Town Center TG 10 | 4d | 544,476 |
| TG 9-3 | Town Center TG 10 | 4d | 553,164 |
| TG 9-4 | Town Center TG 10 | 4d | 561,852 |
| TG 10 | Town Center TG 10 | 4d | 570,540 |
Effects by level
| Level | Research Speed |
|---|---|
| TG 1 | +0.5% |
| TG 1-1 | +0.6% |
| TG 1-2 | +0.7% |
| TG 1-3 | +0.8% |
| TG 1-4 | +0.9% |
| TG 2 | +1% |
| TG 2-1 | +1.1% |
| TG 2-2 | +1.2% |
| TG 2-3 | +1.3% |
| TG 2-4 | +1.4% |
| TG 3 | +1.5% |
| TG 3-1 | +1.6% |
| TG 3-2 | +1.7% |
| TG 3-3 | +1.8% |
| TG 3-4 | +1.9% |
| TG 4 | +2% |
| TG 4-1 | +2.1% |
| TG 4-2 | +2.2% |
| TG 4-3 | +2.3% |
| TG 4-4 | +2.4% |
| TG 5 | +2.5% |
| TG 5-1 | +2.6% |
| TG 5-2 | +2.7% |
| TG 5-3 | +2.8% |
| TG 5-4 | +2.9% |
| TG 6 | +3% |
| TG 6-1 | +3.6% |
| TG 6-2 | +4.2% |
| TG 6-3 | +4.8% |
| TG 6-4 | +5.4% |
| TG 7 | +6% |
| TG 7-1 | +6.6% |
| TG 7-2 | +7.2% |
| TG 7-3 | +7.8% |
| TG 7-4 | +8.4% |
| TG 8 | +9% |
| TG 8-1 | +9.6% |
| TG 8-2 | +10.2% |
| TG 8-3 | +10.8% |
| TG 8-4 | +11.4% |
| TG 9 | +12% |
| TG 9-1 | +12.6% |
| TG 9-2 | +13.2% |
| TG 9-3 | +13.8% |
| TG 9-4 | +14.4% |
| TG 10 | +15% |
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.