| Level | Research Level | Research Rate | Water | Iron | Power | Time | Instant Cost |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 100% | 1200 | 2600 | 55 | 39s | (1 via speed up upgrade option) |
| 2 | 2 | 100% | 11.9k | 32k | 80 | 4m 35s | 30 |
| 3 | 3 | 100% | 28.5k | 74.1k | 105 | 48m 30s | 60 |
| 4 | 4 | 100% | 78.5k | 190.7k | 130 | 4h 35m | 150 |
| 5 | 5 | 1005 | 158.3k | 409.7k | 155 | 11h 41m 20s | 320 |
| 6 | 6 | 100% | 386.5k | 1m | 180 | 1d 9h 54m | 730 |
| 7 | |||||||
| 8 | |||||||
| 9 | |||||||
| 10 | |||||||
| 11 |
Upgrade Academy level in order to unlock higher level infantry, and upgrade infantry units to high levels.