This article needs to be updated. (V26.17) |

Description
Buildings are build-able items that can be built on individual pixels on the game maps.
You can use the number keys to select a building to build. You could also use ctrl+left-click on the map. Some buildings have specific requirements that limit where they can be built. For example, ports must be built near water.
There are four types of Buildings/Buildables:
- Military Buildings[MB] (Square shaped, only on land)
- Economic Buildings[EB](Round Shaped, only on land)
- Boats[B](Round shaped, only on sea)
- Missiles[MS](Triangle shaped, only on land)
Buildings
Increases maximum Population By 25,000.
Used to gain more workers and troops.
| First | 125,000 |
| Second | 250,000 |
| Third | 500,000 |
| After | 1,000,00 |

Automatically spawns or connects to Trains and Railroads to trade with other buildings. Once connected, trains start spawning. Factory shares pricing with Port.
| First | 125,000 |
| Second | 250,000 |
| Third | 500,000 |
| After | 1,000,000 |
Spawns trading ships and is necessary to build Warships. Trade ships sent out make more Gold the farther they have traveled from their ports. Other players can steal your trade ships.
| First | 125,000 |
| Second | 250,000 |
| Third | 500,000 |
| After | 1,000,000 |
Strengthens borders in an area around itself. A strengthened border is 5 times more difficult to take over in comparison to free land.
| First | 50,000 |
| Second | 100,000 |
| Third | 150,000 |
| Fourth | 200,000 |
| After | 250,000 |
Required for launching Atom Bombs, Hydrogen Bombs and MIRVs. Launching Atom Bombs and Hydrogen Bombs has a cooldown of approximately 10 seconds. Launching a MIRV has no cooldown.
| All | 1,000,000 |
Surface-to-air missile launcher, used to destroy incoming missiles. It will target any missile that would land in a 100 pixel radius. It has a 100% chance to destroy an Atom Bomb, 80% chance to destroy a Hydrogen Bomb, and a 50% chance to destroy a MIRV warhead. It has a cooldown of 7.5 seconds.
| First | 1,500,000 |
| After | 3,000,000 |
Attacks enemy transports and enemy Warships. Warships begin with 500HP and grows to a max of 1000HP. Used for defending your territory from, warships, transport ships, or for stealing other players' trade ships.
| First | 250,000 |
| Second | 500,000 |
| Third | 750,000 |
| After | 1,000,000 |
Explodes in a small area. Used for destroying small sections with Cities, Ports, Defense Posts or Missile Silos of an enemy.
| All | 750,000 |
Explodes and destroys anything in a huge area. Great for cases where an enemy has a lot of Cities, Ports, Defense Posts or Missile Silos close to each other.
| All | 5,000,000 |
Many Atom Bomb sized explosions across the entirety of a selected nation and can harm any other nations.
| 1st of game | 25,000,000 |
| after | 25,000,000 + 15 x number of mirvs already launched |
Planned or tested
Airport
Provides a way to trade in air. Not available in either Openfront.io or Openfront.dev.
It is believed to be cancelled in favor for Factory.