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Main Hall is the core building of your City. Main Hall provides an overview of your city info
Main Hall upgrade Requirements:
- Main Hall Level 30
- Main Hall Level 31
- Main Hall Level 32
- Main Hall Level 33
- Main Hall Level 34
- Main Hall Level 35
- Main Hall Level 36
- Main Hall Level 37
- Main Hall Level 38
- Main Hall Level 39
- Main Hall Level 40
- Main Hall Level 41
Lv. = Level
F = Food
O = Oil
S = Steel
M = Minerals
U = Uranium
R = Requirement (A = Academy, C = Camp, CW = City Wall, D = Depot, E = Embassy, F = Factory, FR = Farm, G = Garage, H = Hospital, MM = Mineral Mine, MS = Medic Station, OR = Oil Refinery, RC = Recon Center, SM = Steel Mill, TG = Training Grounds, W = Workshop)
GSB = Gather Speed Boost
BP = Battle Power
BCT = Base Construction Time
If you are viewing this page from a mobile device, in order to fully see the data table, please turn your mobile device to landscape position or scroll the table.
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 1 | 3,670 | 3,670 | – | – | – | – |
| 2 | 5,850 | 5,850 | – | – | – | – |
| 3 | 8,620 | 8,620 | – | – | – | CW Lv.2 |
| 4 | 14,400 | 14,400 | – | – | – | CW Lv.3 |
| 5 | 22,950 | 22,950 | – | – | – | CW Lv.4, FR Lv.4 |
| 6 | 42,750 | 42,750 | – | – | – | CW Lv.5, OR Lv.5 |
| 7 | 86,250 | 86,250 | – | – | – | CW Lv.6, C Lv.6 |
| 8 | 141,00 | 141,00 | – | – | – | CW Lv.7, D Lv.7 |
| 9 | 214,500 | 214,500 | – | – | – | CW Lv.8, TG Lv.8 |
| 10 | 330,000 | 330,000 | – | – | – | CW Lv.9, A Lv.9 |
| 11 | 378,780 | 378,780 | – | – | – | CW Lv.10, G Lv.10 |
| 12 | 757,570 | 757,570 | – | – | – | CW Lv.11, H Lv.11 |
| 13 | 1,060,590 | 1,060,590 | – | – | – | CW Lv.12, RC Lv.12 |
| 14 | 2,121,200 | 2,121,200 | – | – | – | CW Lv.13, E Lv.13 |
| 15 | 4,545,440 | 4,545,440 | – | – | – | CW Lv.14, G Lv.14 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 16 | 5,181,790 | 5,181,790 | 518,180 | – | – | CW Lv.15, SM Lv.15 |
| 17 | 6,628,770 | 6,628,770 | 1,136,360 | – | – | CW Lv.16, H Lv.16 |
| 18 | 8,749,980 | 8,749,980 | 1,499,990 | – | – | CW Lv.17, TG Lv.17 |
| 19 | 10,749,980 | 10,749,980 | 2,215,140 | – | – | CW Lv.18, D Lv.18 |
| 20 | 12,499,980 | 12,499,980 | 2,575,750 | – | – | CW Lv.19, A Lv.19 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 21 | 12,606,040 | 12,606,040 | 2,618,170 | 1,018,180 | – | CW Lv.20, MM Lv.20 |
| 22 | 14,545,430 | 14,545,430 | 3,393,930 | 1,454,540 | – | CW Lv.21, MS Lv.21 |
| 23 | 18,469,660 | 18,469,660 | 4,496,960 | 2,087,870 | – | CW Lv.22, F Lv.22 |
| 24 | 23,333,290 | 23,333,290 | 5,939,380 | 2,969,690 | – | CW Lv.23, E Lv.23 |
| 25 | 30,999,950 | 30,999,950 | 7,890,890 | 3,945,440 | – | CW Lv.24, D Lv.24 |
| 26 | 39,136,300 | 39,136,300 | 10,436,340 | 5,590,900 | – | CW Lv.25, RC Lv.25 |
| 27 | 49,393,860 | 49,393,860 | 13,830,280 | 7,903,010 | – | CW Lv.26, H Lv.26 |
| 28 | 64,242,320 | 64,242,320 | 17,987,850 | 10,278,770 | – | CW Lv.27, A Lv.27 |
| 29 | 83,484,720 | 83,484,720 | 23,375,720 | 13,357,550 | – | CW Lv.28, G Lv.28 |
| 30 | 108,484,680 | 108,484,680 | 30,375,710 | 17,357,550 | – | CW Lv.29, W Lv.29 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 31 | 136,690,750 | 136,690,750 | 38,273,410 | 21,870,520 | 49,270 | CW Lv.30, RC Lv.30 |
| 32 | 169,496,550 | 169,496,550 | 47,459,030 | 27,119,440 | 81,350 | CW Lv.31, G Lv.31 |
| 33 | 206,785,700 | 206,785,700 | 57,899,990 | 33,085,700 | 141,480 | CW Lv.32, D Lv.32 |
| 34 | 248,142,840 | 248,142,840 | 69,479,980 | 39,702,840 | 214,240 | CW Lv.33, E Lv.33 |
| 35 | 292,80,8470 | 292,808,470 | 81,986,350 | 46,849,330 | 317,840 | CW Lv.34, H Lv.34 |
| 36 | 314,374,510 | 314,374,510 | 88,024,840 | 50,299,890 | 350,780 | CW Lv.35, G Lv.35 |
| 37 | 333,648,650 | 333,648,650 | 93,421,590 | 53,383,750 | 377,680 | CW Lv.36, D Lv.36 |
| 38 | 353,579,490 | 353,579,490 | 99,002,220 | 56,572,680 | 401,260 | CW Lv.37, E Lv.37 |
| 39 | 353,614,840 | 353,614,840 | 99,012,120 | 56,578,330 | 438,980 | CW Lv.38, H Lv.38 |
| 40 | 353,650,200 | 353,650,200 | 99,022,020 | 56,583,980 | 483,830 | CW Lv.39, G Lv.39 |
| 41 | 353,685,560 | 353,685,560 | 99,031,920 | 56,589,630 | 529,660 | CW Lv.40, E Lv.40 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
Notes:
| Lv. | Available |
| 5 | Titans are available |
| 5 | First House is available |
| 5 | Second Fleet Queue is available |
| 6 | Biochemical Lab |
| 6 | Second House is available |
| 6 | You will be able to create topics in the National Chat (NC) |
| 6 | You will be able to send Private Messages |
| 7 | Second Camp is available |
| 7 | Second Block Rescue will be available (+4 spots) – Rescue this block to gain 4 resource building slots, which you may use to build resource or functional buildings |
| 8 | Third Block Rescue will be available (+4 spots) – Rescue this block to gain 4 resource building slots, which you may use to build resource or functional buildings |
| 8 | Additional 2 Medic Stations are available (2+2) |
| 8 | Additional 2 Training Grounds are available (2+2) |
| 9 | You will lose your city protection (Shield) given by the game when you started to play |
| 9 | Third House is available |
| 9 | Dock is available |
| 9 | You can appoint second Director officer |
| 10 | Elite Equipment Facility is available |
| 10 | Second Factory is available (Third House must be activated) |
| 10 | Additional 2 Medic Stations are available (4+2) |
| 10 | Additional 2 Training Grounds are available (4+2) |
| 10 | City Wall Defense Tower is available |
| 11 | Island is available |
| 11 | Fourth Block Rescue will be available (+4 spots) – Rescue this block to gain 4 resource building slots, which you may use to build resource or functional buildings |
| 12 | Fourth House is available |
| 12 | Third Fleet Queue is available |
| 13 | Workshop is available (should be Nation Progress Phase 2) |
| 13 | Fifth Block Rescue will be available (+4 spots) – Rescue this block to gain 4 resource building slots, which you may use to build resource or functional buildings |
| 14 | Fifth House is available |
| 17 | Sixth House is available |
| 18 | First Warplane is available |
| 18 | City Ruins -> Explore City -> Industrial recover is available |
| 19 | Fourth Fleet Queue is available |
| 20 | Sixth Block Rescue will be available (+4 spots) – Rescue this block to gain 4 resource building slots, which you may use to build resource or functional buildings |
| 20 | Second Warplane is available |
| 24 | Third Warplane is available |
| 27 | Fourth Warplane is available |
| 30 | Fifth Warplane is available |
| 30 | Doomsday Challenge |
| 30 | Core Mining Station |
| Lv. | Available |
Additional info:
| Lv. | Gather Speed Boost | Battle Power | Base Construction Time |
| 1 | 0% | 24 | ? |
| 2 | 0% | 72 | ? |
| 3 | 0% | 144 | ? |
| 4 | 0% | 276 | 00:05:00 |
| 5 | 10% | 508 | 00:10:00 |
| 6 | 10% | 884 | 01:34:40 |
| 7 | 10% | 1,452 | 04:48:00 |
| 8 | 20% | 2,264 | 07:12:00 |
| 9 | 20% | 3,376 | 12:00:00 |
| 10 | 20% | 4,848 | 16:48:00 |
| 11 | 30% | 6,744 | 23:16:50 |
| 12 | 30% | 9,132 | 1d:05:57:10 |
| 13 | 30% | 12,084 | ? |
| 14 | 40% | 15,676 | ? |
| 15 | 40% | 19,988 | ? |
| Lv. | GSP | BP | BCT |
| 16 | 40% | 25,104 | ? |
| 17 | 50% | 31,112 | ? |
| 18 | 50% | 38,104 | ? |
| 19 | 50% | 46,176 | ? |
| 20 | 50% | 55,428 | ? |
| Lv. | GSP | BP | BCT |
| 21 | 50% | 65,964 | ? |
| 22 | 50% | 77,892 | ? |
| 23 | 50% | 91,324 | ? |
| 24 | 50% | 106,376 | ? |
| 25 | 50% | 123,168 | ? |
| 26 | 50% | 141,824 | ? |
| 27 | 50% | 162,472 | ? |
| 28 | 50% | 185,244 | ? |
| 29 | 50% | 210,276 | ? |
| 30 | 50% | 237,708 | ? |
| Lv. | GSP | BP | BCT |
| 31 | 50% | 275,741 | ? |
| 32 | 50% | 317,102 | ? |
| 33 | 50% | 361,496 | ? |
| 34 | 50% | 408,490 | ? |
| 35 | 50% | 457,509 | ? |
| 36 | 50% | 510,123 | ? |
| 37 | 50% | 566,237 | ? |
| 38 | 50% | 625,692 | ? |
| Lv. | GSP | BP | BCT |
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What is the building time for C20 and above
Hello!
Unfortunately, there is no publicly available information about construction times, without boosts. Therefore, we record these times using one in-game city that has 0% “Building Speed Bonus” (No Officers, nothing developed in the Academy and no Alliance). But it takes a time 🙂
Sooner or later we will have building times for c20+.
Thanks for the question!
You have a type-o on lv26 steel requirement.
Fixed, thanks 😉
What does the two level requirements mean when you can’t upgrade something
Ex:
Main Hall Lvl 8 / Lvl 10
Hello!
This means that you want to upgrade a building that can only be upgraded if the Main Hall is Level 10, however in this case your Main Hall is only Level 8.