Overview
Sets the city progression cap and unlocks buildings, systems and higher upgrade levels.
Upgrade costs
| Level | Bread | Wood | Stone | Iron | Truegold | Tempered |
|---|---|---|---|---|---|---|
| 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 | 20,000 | 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 | 480,000 | 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 | 24,000,000 | 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 |
| TG1-1 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG1-2 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG1-3 | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 158 | 0 |
| TG1-4 | 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 |
| TG2-1 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG2-2 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG2-3 | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 238 | 0 |
| TG2-4 | 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 |
| TG3-1 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG3-2 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG3-3 | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 280 | 0 |
| TG3-4 | 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 |
| TG4-1 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG4-2 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG4-3 | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 335 | 0 |
| TG4-4 | 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 |
| TG5-1 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG5-2 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG5-3 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 200 | 10 |
| TG5-4 | 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 |
| TG6-1 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG6-2 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG6-3 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 240 | 15 |
| TG6-4 | 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 |
| TG7-1 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG7-2 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG7-3 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 240 | 20 |
| TG7-4 | 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 |
Requirements and results
| Level | Requirements | Time | Power |
|---|---|---|---|
| 1 | – | 0s | 2,000 |
| 2 | Sawmill Lvl. 1 | 6s | 3,800 |
| 3 | House 1 Lvl. 2 | 1m | 6,500 |
| 4 | Quarry Lvl. 3 | 3m | 10,100 |
| 5 | Hero Hall, House 3 Lvl. 3 | 10m | 15,500 |
| 6 | Iron Mine Lvl. 5 | 30m | 23,600 |
| 7 | Mill Lvl. 6 | 1h | 35,300 |
| 8 | Barracks Lvl. 7 | 2h 30m | 47,000 |
| 9 | Embassy Lvl. 8, Infirmary Lvl. 1 | 4h 30m | 58,700 |
| 10 | Range Lvl. 9, Academy | 6h | 75,700 |
| 11 | Embassy Lvl. 10, Stable Lvl. 10 | 7h 30m | 92,700 |
| 12 | Embassy Lvl. 11, Command Center Lvl. 1 | 9h | 109,700 |
| 13 | Embassy Lvl. 12, Barracks Lvl. 12 | 11h | 138,400 |
| 14 | Embassy Lvl. 13, Range Lvl. 13 | 14h | 167,100 |
| 15 | Embassy Lvl. 14, Stable Lvl. 14 | 18h | 195,800 |
| 16 | Embassy Lvl. 15, Academy Lvl. 15 | 1d 6h 28m | 236,200 |
| 17 | Embassy Lvl. 16, Barracks Lvl. 16 | 1d 12h 34m | 276,600 |
| 18 | Embassy Lvl. 17, Range Lvl. 17 | 1d 19h 53m | 317,000 |
| 19 | Embassy Lvl. 18, Stable Lvl. 18 | 2d 17h 50m | 374,400 |
| 20 | Embassy Lvl. 19, Academy Lvl. 19 | 3d 10h 18m | 431,800 |
| 21 | Embassy Lvl. 20, Barracks Lvl. 20 | 4d 10h 59m | 489,200 |
| 22 | Embassy Lvl. 21, Range Lvl. 21 | 6d 16h 29m | 575,300 |
| 23 | Embassy Lvl. 22, Stable Lvl. 22 | 9d 8h 40m | 661,400 |
| 24 | Embassy Lvl. 23, Academy Lvl. 23 | 13d 2h 33m | 747,500 |
| 25 | Embassy Lvl. 24, Barracks Lvl. 24 | 18d 8h 22m | 833,600 |
| 26 | Embassy Lvl. 25, Range Lvl. 25 | 21d 2h 26m | 960,100 |
| 27 | Embassy Lvl. 26, Stable Lvl. 26 | 25d 7h 43m | 1,086,600 |
| 28 | Embassy Lvl. 27, Academy Lvl. 27 | 29d 2h 52m | 1,213,100 |
| 29 | Embassy Lvl. 28, Barracks Lvl. 28 | 33d 11h 42m | 1,339,600 |
| 30 | Embassy Lvl. 29, Range Lvl. 29 | 40d 4h 27m | 1,523,500 |
| 30-1 | Embassy Lv. 30, Academy Lv. 30 | 7d | 0 |
| 30-2 | Embassy Lv. 30, Academy Lv. 30 | 7d | 0 |
| 30-3 | Embassy Lv. 30, Academy Lv. 30 | 7d | 0 |
| 30-4 | Embassy Lv. 30, Academy Lv. 30 | 7d | 0 |
| TG 1 | Embassy Lv. 30, Academy Lv. 30 | 7d | 1,810,500 |
| TG1-1 | Embassy TG Lv. 1, Stable TG Lv. 1 | 9d | 0 |
| TG1-2 | Embassy TG Lv. 1, Stable TG Lv. 1 | 9d | 0 |
| TG1-3 | Embassy TG Lv. 1, Stable TG Lv. 1 | 9d | 0 |
| TG1-4 | Embassy TG Lv. 1, Stable TG Lv. 1 | 9d | 0 |
| TG 2 | Embassy TG Lv. 1, Stable TG Lv. 1 | 9d | 2,097,500 |
| TG2-1 | Embassy TG Lv. 2, Barracks TG Lv. 2 | 11d | 0 |
| TG2-2 | Embassy TG Lv. 2, Barracks TG Lv. 2 | 11d | 0 |
| TG2-3 | Embassy TG Lv. 2, Barracks TG Lv. 2 | 11d | 0 |
| TG2-4 | Embassy TG Lv. 2, Barracks TG Lv. 2 | 11d | 0 |
| TG 3 | Embassy TG Lv. 2, Barracks TG Lv. 2 | 11d | 2,384,500 |
| TG3-1 | Embassy TG Lv. 3, Range TG Lv. 3 | 12d | 0 |
| TG3-2 | Embassy TG Lv. 3, Range TG Lv. 3 | 12d | 0 |
| TG3-3 | Embassy TG Lv. 3, Range TG Lv. 3 | 12d | 0 |
| TG3-4 | Embassy TG Lv. 3, Range TG Lv. 3 | 12d | 0 |
| TG 4 | Embassy TG Lv. 3, Range TG Lv. 3 | 12d | 2,700,500 |
| TG4-1 | Embassy TG Lv. 4, Stable TG Lv. 4 | 14d | 0 |
| TG4-2 | Embassy TG Lv. 4, Stable TG Lv. 4 | 14d | 0 |
| TG4-3 | Embassy TG Lv. 4, Stable TG Lv. 4 | 14d | 0 |
| TG4-4 | Embassy TG Lv. 4, Stable TG Lv. 4 | 14d | 0 |
| TG 5 | Embassy TG Lv. 4, Stable TG Lv. 4 | 14d | 3,016,500 |
| TG5-1 | Embassy TG Lv. 5, Barracks TG Lv. 5 | 15d | 0 |
| TG5-2 | Embassy TG Lv. 5, Barracks TG Lv. 5 | 15d | 0 |
| TG5-3 | Embassy TG Lv. 5, Barracks TG Lv. 5 | 15d | 0 |
| TG5-4 | Embassy TG Lv. 5, Barracks TG Lv. 5 | 15d | 0 |
| TG 6 | Embassy TG Lv. 5, Barracks TG Lv. 5 | 15d | 3,354,500 |
| TG6-1 | Embassy TG Lv. 6, Range TG Lv. 6 | 18d | 0 |
| TG6-2 | Embassy TG Lv. 6, Range TG Lv. 6 | 18d | 0 |
| TG6-3 | Embassy TG Lv. 6, Range TG Lv. 6 | 18d | 0 |
| TG6-4 | Embassy TG Lv. 6, Range TG Lv. 6 | 18d | 0 |
| TG 7 | Embassy TG Lv. 6, Range TG Lv. 6 | 18d | 3,692,500 |
| TG7-1 | Embassy TG Lv. 7, Stable TG Lv. 7 | 20d | 0 |
| TG7-2 | Embassy TG Lv. 7, Stable TG Lv. 7 | 20d | 0 |
| TG7-3 | Embassy TG Lv. 7, Stable TG Lv. 7 | 20d | 0 |
| TG7-4 | Embassy TG Lv. 7, Stable TG Lv. 7 | 20d | 0 |
| TG 8 | Embassy TG Lv. 7, Stable TG Lv. 7 | 20d | 4,030,500 |