Every building with what it does and when it opens.
Every building, with what it does, the Command Center level it opens at and how many levels it has. Tap a building in the game to see its next upgrade.
Command
| Building | What it does | Opens at Command Center | Levels |
|---|
| Command Center | The heart of your base. Upgrade it to unlock new buildings and higher levels. | 1 | 10 |
| Engineer Tent | Each engineer works on one building at a time. Extra engineers are hired with diamonds. | 1 | 1 |
| Tool Cart | Tools close at hand: building and upgrading go a little faster. | 1 | 10 |
| Scaffolding | Steel frames for the engineers: building and upgrading go faster. | 2 | 9 |
Resources
| Building | What it does | Opens at Command Center | Levels |
|---|
| War Bond Office | Sells war bonds: coins for your base, every hour. | 1 | 10 |
| Steel Mill | Rolls steel for buildings and upgrades. | 1 | 10 |
| Fuel Pump | Pumps fuel to train your army. | 1 | 10 |
| Supply Depot | Stores more coins, steel and fuel. | 1 | 10 |
| Generator | Powers your base: all mines, offices and pumps produce more. | 1 | 10 |
| Supply Cache | A tank or a stack of supplies: stores more coins, steel and fuel. | 1 | 10 |
| Solar Farm | Free power from the sun: all production goes up. | 2 | 9 |
| Supply Yard | A reservoir, fuel wagon or container: stores a lot more. | 2 | 9 |
Army
| Building | What it does | Opens at Command Center | Levels |
|---|
| Field Camp | Houses your army. More space, bigger attacks. | 1 | 10 |
| Motor Pool | Trains Humvees, APCs and tanks. Every level makes them 15% stronger and unlocks heavier vehicles. | 1 | 10 |
| Armory | Researches weapons for your vehicles, one at a time. Every level opens a new weapon and a higher weapon level. | 1 | 7 |
| Radar Station | Finds enemy bases to raid. Upgrade it to find richer ones. | 1 | 10 |
| Training Range | Practice for the recruits: training goes faster. | 1 | 10 |
| Signal Mast | A tall mast for long-range signals: support is prepared faster. | 1 | 10 |
| Command Bunker | Home of the Commander, your hero. Every level makes the Commander 20% stronger; while it is upgraded the Commander stays home. | 2 | 10 |
| Battalion Post | Holds the reinforcements your Battalion sends you. They join your next attack, and fire from the Post when your base is raided. | 2 | 5 |
| Barracks | A long hut where the troops sleep: more room for your army. | 2 | 9 |
| Vehicle Yard | Vehicles ready to roll: training goes faster. | 2 | 9 |
| Radio Station | A container full of radios: the Support Center prepares support faster. | 2 | 9 |
| Helipad | Trains attack helicopters: they fly over barriers. | 3 | 8 |
| Support Center | Prepares support for your attacks: artillery barrages, smoke screens and field medics. Every level holds one more and makes them 15% stronger. | 4 | 7 |
| Airlift | A huge transport plane: a lot more room for your army. | 5 | 6 |
Defences
| Building | What it does | Opens at Command Center | Levels |
|---|
| Machine Gun Nest | Fast fire at ground and air units. | 1 | 10 |
| Sniper Tower | Long range, hits ground and air. | 1 | 10 |
| Barrier | Ground attackers have to break through it. | 1 | 10 |
| Gun Post | A light machine gun behind a shield: fires at ground and air units. | 1 | 10 |
| Heavy Wall | A wall of 2×2 tiles, as strong as four barriers. | 1 | 10 |
| Sandbag Line | A long, heavy line of sandbags. | 1 | 10 |
| Floodlight | Lights up attackers: defences within 12 m do more damage. | 1 | 10 |
| Camo Trees | A decoy: attackers waste their fire on it. It doesn’t count for the stars. | 1 | 10 |
| Mortar Pit | Shells groups of ground units from far away. Can’t hit up close. | 2 | 9 |
| Minigun | Six barrels, very fast fire at ground units close by. | 2 | 9 |
| Field Turret | A tank turret on blocks: a strong gun against vehicles. | 2 | 9 |
| Dug-in Tank | A tank dug in by the gate: tough, and its shells hit around the target. | 2 | 9 |
| Checkpoint | A tough post with a machine gun: nobody passes without papers. | 2 | 9 |
| Lookout | Spots attackers early: defences within 16 m reach further. | 2 | 9 |
| Tank Turret | A heavy gun against vehicles. | 3 | 8 |
| Air Defence | Missiles against helicopters. Ignores ground units. | 3 | 8 |
| Rocket Battery | Rockets on groups of ground units far away. Can’t hit up close. | 3 | 8 |
| SAM Site | Missiles against helicopters. Ignores ground units. | 3 | 8 |
| Fighter Jet | Scrambles against helicopters far away: a slow but heavy hit. | 4 | 7 |
English
All buildings