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The technology development center of the City.
Research new technology to become more powerful
This building is only available when the Main Hall is at least Level 4.
Academy upgrade Requirements:
Lv. = Level
F = Food
O = Oil
S = Steel
M = Minerals
U = Uranium
R = Requirement (MH = Main Hall)
BP = Battle Power
BCT = Base Construction Time
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| Lv. | F | O | S | M | U | R | BP | BCT |
| 1 | – | Free | – | – | – | – | 8 | 0:00 |
| 2 | – | 650 | – | – | – | MH Lv.4 | 22 | 0:00 |
| 3 | – | 1,050 | – | – | – | MH Lv.4 | 44 | 0:00 |
| 4 | – | 1,650 | – | – | – | MH Lv.4 | 83 | 0:00 |
| 5 | – | 2,600 | – | – | – | MH Lv.5 | 153 | 8:00 |
| 6 | – | 4,800 | – | – | – | MH Lv.6 | 266 | 48:00 |
| 7 | – | 9,850 | – | – | – | MH Lv.7 | 436 | 01:36:00 |
| 8 | – | 16,400 | – | – | – | MH Lv.8 | 680 | 02:24:00 |
| 9 | – | 22,600 | – | – | – | MH Lv.9 | 1,013 | 04:00:00 |
| 10 | – | 42,000 | – | – | – | MH Lv.10 | 1,455 | 05:19:10 |
| 11 | – | 80,000 | – | – | – | MH Lv.11 | 2,024 | 07:36:00 |
| 12 | – | 160,000 | – | – | – | MH Lv.12 | 2,740 | 09:52:50 |
| 13 | – | 323,000 | – | – | – | MH Lv.13 | 3,626 | ? |
| 14 | – | 656,000 | – | – | – | MH Lv.14 | 4,703 | ? |
| 15 | – | 1,058,400 | – | – | – | MH Lv.15 | 5,997 | ? |
| Lv. | F | O | S | M | U | R | BP | BCT |
| 16 | – | 1,100,800 | 55,040 | – | – | MH Lv.16 | 7,532 | ? |
| 17 | – | 1,252,090 | 107,320 | – | – | MH Lv.17 | 9,334 | ? |
| 18 | – | 1,395,240 | 186,030 | – | – | MH Lv.18 | 11,432 | ? |
| 19 | – | 1,511,500 | 302,300 | – | – | MH Lv.19 | 13,853 | ? |
| 20 | – | 1,768,500 | 353,700 | – | – | MH Lv.20 | 16,629 | ? |
| Lv. | F | O | S | M | U | R | BP | BCT |
| 21 | – | 1,839,240 | 367,840 | 91,960 | – | MH Lv.21 | 19,790 | ? |
| 22 | – | 2,092,160 | 418,430 | 179,320 | – | MH Lv.22 | 23,368 | ? |
| 23 | – | 2,774,200 | 554,840 | 237,780 | – | MH Lv.23 | 27,398 | ? |
| 24 | – | ? | ? | ? | – | MH Lv.24 | 31,913 | ? |
| 25 | – | ? | ? | ? | – | MH Lv.25 | 36,951 | ? |
| 26 | – | ? | ? | ? | – | MH Lv.26 | 42,548 | ? |
| 27 | – | 7,324,290 | 1,464,850 | 976,570 | – | MH Lv.27 | 48,742 | ? |
| 28 | – | 9,521,550 | 1,904,310 | 1,269,540 | – | MH Lv.28 | 55,574 | ? |
| 29 | – | 12,377,880 | 2,475,570 | 1,650,380 | – | MH Lv.29 | 63,083 | ? |
| 30 | – | 16,091,190 | 3,218,230 | 2,145,490 | – | MH Lv.30 | 71,313 | ? |
| Lv. | F | O | S | M | U | R | BP | BCT |
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Academy 26 needs
5,531,490 oil
1,106,290 steel
737,530 mineral