The Iron Mine produces Iron.
Iron Mine Tips
- The Iron Mine produces Iron.
- The Iron Mine will not produce Iron while upgrading.
- When your Iron Storage is full, the collect icon of the Iron Mine will turn Red.
Level 1 
Level 2 
Level 3-4 
Level 5-8 
Level 9-10
- Building size
- 3×3
- Resource
- Iron
- HQ Level 1-9
- No Iron Mines
- HQ Level 10-22
- 1 Iron Mine
| Level | Health | Capacity | Iron Per Hour | Upgrade Cost Wood | Upgrade Cost Stone | Upgrade time | HQ level | XP Gain |
|---|---|---|---|---|---|---|---|---|
| 1 | 1,500 | 500 | 120 | 39,000 | 9,900 | 3h 45m | 10 | 20 |
| 2 | 1,800 | 1,450 | 210 | 126,000 | 33,000 | 5h | 11 | 26 |
| 3 | 2,200 | 3,500 | 360 | 126,000 | 63,000 | 6h | 12 | 31 |
| 4 | 2,600 | 7,500 | 580 | 251,000 | 126,000 | 8h | 13 | 37 |
| 5 | 3,100 | 14,700 | 900 | 390,000 | 261,000 | 10h | 14 | 42 |
| 6 | 3,700 | 26,800 | 1,320 | 810,000 | 540,000 | 12h | 15 | 44 |
| 7 | 4,400 | 45,000 | 1,800 | 1,680,000 | 840,000 | 14h | 16 | 48 |
| 8 | 5,300 | 70,000 | 2,400 | 1,860,000 | 1,860,000 | 16h | 17 | 50 |
| 9 | 6,300 | 100,000 | 3,000 | 1,980,000 | 1,980,000 | 18h | 18 | 52 |
| 10 | 7,500 | 130,000 | 3,500 | 2,100,000 | 2,100,000 | 20h | 19 | 58 |