Age of Origins Uranium
Age of Origins Beginner’s Guide – Tips and Tricks
Age of Origins Main Hall - City Level Requirements
Unlock city growth quickly and efficiently with our comprehensive Main Hall upgrade guide. Discover the required resources and prerequisite buildings for each city level and plan your strategy accordingly!
Why the Main Hall Matters
Your Main Hall serves as the backbone of your city in Age of Origins. Upgrading it unlocks new buildings, raises the maximum level for existing structures, and boosts everything from resource production to defense. This guide helps you stay on top of what’s needed for the next level—so you're always building smart.
Resource Highlights & Unlock Milestones
Steel starts at level 16—prepare to stockpile it early.
Minerals are required starting level 21—be ready to scale mining accordingly
Uranium kicks in at level 31, unlocking deep mining for a new resource tier. Check out this Uranium guide.
Below is a table of the Main Hall and the requirements of each city level. This is very important to optimize your building efficiency. Now when you are upgrading your Main Hall you can look up which buildings are required for the next city level. You should be trying to keep ahead of the pre-requisites.
We've updated to include C41!
Age of Origins Main Hall - City Level Requirements
| City Lvl | Food | Oil | Steel | Mineral | Uranium | Requirement |
|---|
| 1 | 3,670 | 3,670 | - | - | - | |
| 2 | 5,850 | 5,850 | - | - | - | |
| 3 | 8,620 | 8,620 | - | - | - | City Wall 2 |
| 4 | 14,400 | 14,400 | - | - | - | City Wall 3 |
| 5 | 22,950 | 22,950 | - | - | - | City Wall 4, Farm 4 |
| 6 | 42,750 | 42,750 | - | - | - | City Wall 5, Oil Field 5 |
| 7 | 86,250 | 86,250 | - | - | - | City Wall 6, Barracks 6 |
| 8 | 141,000 | 141,000 | - | - | - | City Wall 7, Depot 7 |
| 9 | 214,500 | 214,500 | - | - | - | City Wall 8, Training Grounds 8 |
| 10 | 330,000 | 330,000 | - | - | - | City Wall 9, Academy 9 |
| 11 | 378,780 | 378,780 | - | - | - | City Wall 10, Garage 10 |
| 12 | 757,570 | 757,570 | - | - | - | City Wall 11, Hospital 11 |
| 13 | 1,060,590 | 1,060,590 | - | - | - | City Wall 12, Recon Center 12 |
| 14 | 2,121,200 | 2,121,200 | - | - | - | City Wall 13, Embassy 13 |
| 15 | 4,545,440 | 4,545,440 | - | - | - | City Wall 14, Garage 14 |
| 16 | 5,181,790 | 5,181,790 | 518,180 | - | - | City Wall 15, Steel Mill 15 |
| 17 | 6,628,770 | 6,628,770 | 1,136,360 | - | - | City Wall 16, Hospital 16 |
| 18 | 8,749,980 | 8,749,980 | 1,499,990 | - | - | City Wall 17, Training Grounds 17 |
| 19 | 10,749,980 | 10,749,980 | 2,215,140 | - | - | City Wall 18, Depot 18 |
| 20 | 12,499,980 | 12,499,980 | 2,575,750 | - | - | City Wall 19, Academy 19 |
| 21 | 12,606,040 | 12,606,040 | 2,618,170 | 1,018,180 | - | City Wall 20, Mineral Mine 20 |
| 22 | 14,545,430 | 14,545,430 | 393,930 | 1,454,540 | - | City Wall 21, Medic Station 21 |
| 23 | 18,469,660 | 18,469,660 | 4,496,960 | 2,087,870 | - | City Wall 22, Factory 22 |
| 24 | 23,333,290 | 23,333,290 | 5,939,380 | 2,969,690 | - | City Wall 23, Embassy 23 |
| 25 | 30,999,950 | 30,999,950 | 7,890,890 | 3,945,440 | - | City Wall 24, Depot 24 |
| 26 | 39,136,300 | 39,136,300 | 10,436,340 | 5,590,900 | - | City Wall 25, Recon Center 25 |
| 27 | 49,393,860 | 49,393,860 | 13,830,280 | 7,903,010 | - | City Wall 26, Hospital 26 |
| 28 | 64,242,320 | 64,242,320 | 17,987,850 | 10,278,770 | - | City Wall 27, Academy 27 |
| 29 | 83,484,720 | 83,484,720 | 23,375,720 | 13,357,550 | - | City Wall 28, Garage 28 |
| 30 | 108,484,680 | 108,484,680 | 30,375,710 | 17,357,550 | - | City Wall 29, Workshop 29 |
| 31 | 136,690,750 | 136,690,750 | 38,273,410 | 21,870,520 | 49,270 | City Wall 30, Recon Center 30 |
| 32 | 169,496,550 | 169,496,550 | 47,459,030 | 27,119,440 | 81,350 | City Wall 31, Garage 31 |
| 33 | 206,785,700 | 206,785,700 | 57,899,990 | 33,085,700 | 141,480 | City Wall 32, Depot 32 |
| 34 | 248,142,840 | 248,142,840 | 69,479,980 | 39,702,840 | 214,240 | City Wall 33, Embassy 33 |
| 35 | 292,808,470 | 292,808,470 | 87,986,350 | 46,849,330 | 317,840 | City Wall 34, Hospital 34 |
| 36 | 314,374,510 | 314,374,510 | 88,024,840 | 50,299,890 | 350,780 | City Wall 35, Garage 35 |
| 37 | 333,648,650 | 333,648,650 | 93,421,590 | 53,383,750 | 337,680 | City Wall 36, Depot 36 |
| 38 | 353,579,490 | 353,579,490 | 99,002,220 | 56,572,680 | 401,260 | City Wall 37, Embassy 37 |
| 39 | 353,614,840 | 353,614,840 | 99,012,120 | 56,578,330 | 438,980 | City Wall 38, Hospital 38 |
| 40 | 353,650,200 | 353,650,200 | 99,022,020 | 56,583,980 | 483,830 | City Wall 39, Garage Lv.39 |
| 41 | 353,685,560 | 353,685,560 | 99,031,920 | 56,589,630 | 529,660 | City Wall 40, Embassy Lv.40 |
