Island Storehouse
Upgrade
| Level | Resources | Time | Add Storage Capacity | Total Storage Capacity |
|---|---|---|---|---|
| 1 |   | 5 minutes | 100 | |
| 2 |   | 2 minutes, 30 seconds | + 400 | 500 |
| 3 | | 1 hour | + 1000 | 1500 |
| 4 |  | 1 day | + 1500 | 3000 |
| 5 |   | 7 days | + 3000 | 6000 |
| 6 |  | 7 days | + 6000 | 12000 |
| 7 |   | 7 days | + 34000 | 46000 |