Upgrade costs
| Level | Bread | Wood | Stone | Iron | Truegold | Tempered Truegold |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 0 | 180 | 0 | 0 | 0 | 0 |
| 3 | 0 | 805 | 0 | 0 | 0 | 0 |
| 4 | 0 | 1,800 | 360 | 0 | 0 | 0 |
| 5 | 0 | 7,600 | 1,500 | 0 | 0 | 0 |
| 6 | 0 | 19,000 | 3,800 | 960 | 0 | 0 |
| 7 | 0 | 69,000 | 13,000 | 3,400 | 0 | 0 |
| 8 | 0 | 120,000 | 25,000 | 6,300 | 0 | 0 |
| 9 | 0 | 260,000 | 52,000 | 13,000 | 0 | 0 |
| 10 | 0 | 460,000 | 92,000 | 23,000 | 0 | 0 |
| 11 | 1,300,000 | 1,300,000 | 260,000 | 65,000 | 0 | 0 |
| 12 | 1,600,000 | 1,600,000 | 330,000 | 84,000 | 0 | 0 |
| 13 | 2,300,000 | 2,300,000 | 470,000 | 110,000 | 0 | 0 |
| 14 | 3,100,000 | 3,100,000 | 630,000 | 150,000 | 0 | 0 |
| 15 | 4,600,000 | 4,600,000 | 930,000 | 230,000 | 0 | 0 |
| 16 | 5,900,000 | 5,900,000 | 1,100,000 | 290,000 | 0 | 0 |
| 17 | 9,300,000 | 9,300,000 | 1,800,000 | 460,000 | 0 | 0 |
| 18 | 12,000,000 | 12,000,000 | 2,500,000 | 620,000 | 0 | 0 |
| 19 | 15,000,000 | 15,000,000 | 3,100,000 | 780,000 | 0 | 0 |
| 20 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 0 | 0 |
| 21 | 27,000,000 | 27,000,000 | 5,400,000 | 1,300,000 | 0 | 0 |
| 22 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 0 | 0 |
| 23 | 44,000,000 | 44,000,000 | 8,900,000 | 2,200,000 | 0 | 0 |
| 24 | 60,000,000 | 60,000,000 | 12,000,000 | 3,000,000 | 0 | 0 |
| 25 | 81,000,000 | 81,000,000 | 16,000,000 | 4,000,000 | 0 | 0 |
| 26 | 100,000,000 | 100,000,000 | 21,000,000 | 5,200,000 | 0 | 0 |
| 27 | 140,000,000 | 140,000,000 | 29,000,000 | 7,400,000 | 0 | 0 |
| 28 | 190,000,000 | 190,000,000 | 39,000,000 | 9,900,000 | 0 | 0 |
| 29 | 240,000,000 | 240,000,000 | 49,000,000 | 12,000,000 | 0 | 0 |
| 30 | 300,000,000 | 300,000,000 | 60,000,000 | 15,000,000 | 0 | 0 |
| 30-1 | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 132 | 0 |
| 30-2 | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 132 | 0 |
| 30-3 | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 132 | 0 |
| 30-4 | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 132 | 0 |
| TG 1 | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 132 | 0 |
| TG 1-1 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG 1-2 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG 1-3 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG 1-4 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG 2 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG 2-1 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG 2-2 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG 2-3 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG 2-4 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG 3 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG 3-1 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG 3-2 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG 3-3 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG 3-4 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG 4 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG 4-1 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG 4-2 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG 4-3 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG 4-4 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG 5 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG 5-1 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG 5-2 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG 5-3 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG 5-4 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG 6 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 100 | 20 |
| TG 6-1 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG 6-2 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG 6-3 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG 6-4 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG 7 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 120 | 30 |
| TG 7-1 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG 7-2 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG 7-3 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG 7-4 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG 8 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 120 | 40 |
| TG 8-1 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 280 | 30 |
| TG 8-2 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 280 | 30 |
| TG 8-3 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 280 | 30 |
| TG 8-4 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 280 | 30 |
| TG 9 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 140 | 60 |
| TG 9-1 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 350 | 70 |
| TG 9-2 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 350 | 70 |
| TG 9-3 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 350 | 70 |
| TG 9-4 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 350 | 70 |
| TG 10 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 175 | 140 |
Requirements and results
| Level | Requirements | Time | Power |
|---|---|---|---|
| 1 | — | Instant | 2,000 |
| 2 | Sawmill Lv. 1 | 6s | 3,800 |
| 3 | House Lv. 2 | 1m | 6,500 |
| 4 | Quarry Lv. 3 | 3m | 10,100 |
| 5 | Hero Hall Lv. 1, House 3 Lv. 3 | 10m | 15,500 |
| 6 | Iron Mine Lv. 5 | 30m | 23,600 |
| 7 | Mill Lv. 6 | 1h | 35,300 |
| 8 | Barracks Lv. 7 | 2h 30m | 47,000 |
| 9 | Embassy Lv. 8, Infirmary Lv. 1 | 4h 30m | 58,700 |
| 10 | Range Lv. 9, Academy Lv. 1 | 6h | 75,700 |
| 11 | Embassy Lv. 10, Stable Lv. 10 | 7h 30m | 92,700 |
| 12 | Embassy Lv. 11, Command Center Lv. 1 | 9h | 109,700 |
| 13 | Embassy Lv. 12, Barracks Lv. 12 | 11h | 138,400 |
| 14 | Embassy Lv. 13, Range Lv. 13 | 14h | 167,100 |
| 15 | Embassy Lv. 14, Stable Lv. 14 | 18h | 195,800 |
| 16 | Embassy Lv. 15, Academy Lv. 15 | 1d 6h 28m | 236,200 |
| 17 | Embassy Lv. 16, Barracks Lv. 16 | 1d 12h 34m | 276,600 |
| 18 | Embassy Lv. 17, Range Lv. 17 | 1d 19h 53m | 317,000 |
| 19 | Embassy Lv. 18, Stable Lv. 18 | 2d 17h 50m | 374,400 |
| 20 | Embassy Lv. 19, Academy Lv. 19 | 3d 10h 18m | 431,800 |
| 21 | Embassy Lv. 20, Barracks Lv. 20 | 4d 10h 59m | 489,200 |
| 22 | Embassy Lv. 21, Range Lv. 21 | 6d 16h 29m | 575,300 |
| 23 | Embassy Lv. 22, Stable Lv. 22 | 9d 8h 40m | 661,400 |
| 24 | Embassy Lv. 23, Academy Lv. 23 | 13d 2h 33m | 747,500 |
| 25 | Embassy Lv. 24, Barracks Lv. 24 | 18d 8h 22m | 833,600 |
| 26 | Embassy Lv. 25, Range Lv. 25 | 21d 2h 26m | 960,100 |
| 27 | Embassy Lv. 26, Stable Lv. 26 | 25d 7h 43m | 1,086,600 |
| 28 | Embassy Lv. 27, Academy Lv. 27 | 29d 2h 52m | 1,213,100 |
| 29 | Embassy Lv. 28, Barracks Lv. 28 | 33d 11h 42m | 1,339,600 |
| 30 | Embassy Lv. 29, Range Lv. 29 | 40d 4h 27m | 1,523,500 |
| 30-1 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,580,900 |
| 30-2 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,638,300 |
| 30-3 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,695,700 |
| 30-4 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,753,100 |
| TG 1 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,810,500 |
| TG 1-1 | Embassy TG 1, Stable TG 1 | 9d | 1,867,900 |
| TG 1-2 | Embassy TG 1, Stable TG 1 | 9d | 1,925,300 |
| TG 1-3 | Embassy TG 1, Stable TG 1 | 9d | 1,982,700 |
| TG 1-4 | Embassy TG 1, Stable TG 1 | 9d | 2,040,100 |
| TG 2 | Embassy TG 1, Stable TG 1 | 9d | 2,097,500 |
| TG 2-1 | Embassy TG 2, Barracks TG 2 | 11d | 2,154,900 |
| TG 2-2 | Embassy TG 2, Barracks TG 2 | 11d | 2,212,300 |
| TG 2-3 | Embassy TG 2, Barracks TG 2 | 11d | 2,269,700 |
| TG 2-4 | Embassy TG 2, Barracks TG 2 | 11d | 2,327,100 |
| TG 3 | Embassy TG 2, Barracks TG 2 | 11d | 2,384,500 |
| TG 3-1 | Embassy TG 3, Range TG 3 | 12d | 2,447,700 |
| TG 3-2 | Embassy TG 3, Range TG 3 | 12d | 2,510,900 |
| TG 3-3 | Embassy TG 3, Range TG 3 | 12d | 2,574,100 |
| TG 3-4 | Embassy TG 3, Range TG 3 | 12d | 2,637,300 |
| TG 4 | Embassy TG 3, Range TG 3 | 12d | 2,700,500 |
| TG 4-1 | Embassy TG 4, Stable TG 4 | 14d | 2,763,700 |
| TG 4-2 | Embassy TG 4, Stable TG 4 | 14d | 2,826,900 |
| TG 4-3 | Embassy TG 4, Stable TG 4 | 14d | 2,890,100 |
| TG 4-4 | Embassy TG 4, Stable TG 4 | 14d | 2,953,300 |
| TG 5 | Embassy TG 4, Stable TG 4 | 14d | 3,016,500 |
| TG 5-1 | Embassy TG 5, Barracks TG 5 | 15d | 3,084,100 |
| TG 5-2 | Embassy TG 5, Barracks TG 5 | 15d | 3,151,700 |
| TG 5-3 | Embassy TG 5, Barracks TG 5 | 15d | 3,219,300 |
| TG 5-4 | Embassy TG 5, Barracks TG 5 | 15d | 3,286,900 |
| TG 6 | Embassy TG 5, Barracks TG 5 | 15d | 3,354,500 |
| TG 6-1 | Embassy TG 6, Range TG 6 | 18d | 3,422,100 |
| TG 6-2 | Embassy TG 6, Range TG 6 | 18d | 3,489,700 |
| TG 6-3 | Embassy TG 6, Range TG 6 | 18d | 3,557,300 |
| TG 6-4 | Embassy TG 6, Range TG 6 | 18d | 3,624,900 |
| TG 7 | Embassy TG 6, Range TG 6 | 18d | 3,692,500 |
| TG 7-1 | Embassy TG 7, Stable TG 7 | 20d | 3,760,100 |
| TG 7-2 | Embassy TG 7, Stable TG 7 | 20d | 3,827,700 |
| TG 7-3 | Embassy TG 7, Stable TG 7 | 20d | 3,895,300 |
| TG 7-4 | Embassy TG 7, Stable TG 7 | 20d | 3,962,900 |
| TG 8 | Embassy TG 7, Stable TG 7 | 20d | 4,030,500 |
| TG 8-1 | Embassy TG 8, Barracks TG 8 | 13d | 4,102,900 |
| TG 8-2 | Embassy TG 8, Barracks TG 8 | 13d | 4,175,300 |
| TG 8-3 | Embassy TG 8, Barracks TG 8 | 13d | 4,247,700 |
| TG 8-4 | Embassy TG 8, Barracks TG 8 | 13d | 4,320,100 |
| TG 9 | Embassy TG 8, Barracks TG 8 | 13d | 4,392,500 |
| TG 9-1 | Embassy TG 9, Range TG 9 | 20d | 4,464,900 |
| TG 9-2 | Embassy TG 9, Range TG 9 | 20d | 4,537,300 |
| TG 9-3 | Embassy TG 9, Range TG 9 | 20d | 4,609,700 |
| TG 9-4 | Embassy TG 9, Range TG 9 | 20d | 4,682,100 |
| TG 10 | Embassy TG 9, Range TG 9 | 20d | 4,754,500 |
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.