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For the geared up version in the home village, go to Cannon.
Double Cannon9

"Double cannons, double shots per cannon, It's a double-double dose of trouble!"


Double Cannon1 Double Cannon2 Double Cannon3 Double Cannon4 Double Cannon5
Level 1 Level 2 Level 3 Level 4 Level 5
Double Cannon6 Double Cannon7 Double Cannon8 Double Cannon9
Level 6 Level 7 Level 8 Level 9

  • Summary
    • Double Cannons fire rapid bursts of cannonballs at ground troops, with four shots per volley.
    • Double Cannons are only available in the Builder Base. They are unlocked at Builder Hall 2.
    • The Master Builder can Gear Up Cannons in the Home Village which will allow it to toggle between its normal firing mode and a mode that behaves similarly to the Double Cannon. This requires a level 7 Cannon in the Home Village and a level 4 Double Cannon in the Builder Base.
    • While Double Cannons do high damage per second, they have a short range and cannot attack air troops.

  • Defensive Strategy
    • Double Cannons can destroy most ground troops of relative level in one burst, namely Raged Barbarians, Sneaky Archers, Bombers, Cannon Carts and Night Witches. This makes Double Cannons useful to pick off smaller troops when they are in small numbers.
    • Double Cannons are powerful defenses against ground tanks such as the Boxer Giant or the Battle Machine. A few volleys can do significant damage to them.
    • Their short range prevents them from protecting buildings in front of them from Sneaky Archers if a Wall separates the Double Cannon and the building. It may still be useful to leave a building in front of them to prevent Sneaky Archers from easily destroying them under their cloak.
    • Although it has high damage output, the Double Cannon has a weakness against large swarms, as their burst only targets one unit. You will find it useful to protect Double Cannons with splash-damaging defenses like the Multi Mortar or the Roaster. Its inability to attack air also means that you should also protect Double Cannons with air-targeting defenses like Archer Towers.
  • Offensive Strategy
    • Air troops such as the Baby Dragon have little to worry from a Double Cannon since the Double Cannon cannot attack them. However, the Double Cannon can still distract them and prevent them from attacking more important buildings.
    • The Double Cannon is weak against large swarms. This makes them easy to overwhelm with Raged Barbarians or Skeletons from the Drop Ship.

  • Upgrade Differences
    • At level 1, the Double Cannon appears as two cannons tied together with rope, with copper plating on the sides, on top of a hole in the ground surrounded by wooden planks and some leaves.
    • At level 2, the rope holding them together is now strapped to them as well, and the planks rearrange slightly.
    • At level 3, the ropes are now positioned like they were at level one, the planks surrounding the hole become more substantial, and instead of two separate Cannon barrels tied together, the two barrels are joined together as one piece. Most of the leaves which were on it disappear.
    • At level 4, the Cannons become bigger. The corners of the base receive metal corners with copper rivets. All the ropes and leaves disappear and the barrels have a copper band around the front.
    • At level 5, the Cannons become substantially larger and another copper band appears near the back of the barrels. The base is reinforced by copper plates.
    • At level 6, the front copper band turns golden. The corners change to square wooden plates with golden square fasteners on them. The front of the barrels also gain copper plating.
    • At level 7, the rear copper band turns golden. The base gains a brighter color scheme, with golden plates in between each corner.
    • At level 8, the barrel and corners gain golden rings. The back of the barrels turn gold and the back band gets thicker in the middle.

  • Trivia
    • Although the Double Cannon shoots burst fire of 4 shots, the Double Cannon will not separate the shots on different troops. For example, if it targets a Sneaky Archer with a low health, the 1st shot will kill it and the remaining 3 will be wasted.
    • Although the description implies that the two cannon barrels fire two shots each per volley, all four shots appear to come out of one of the barrels. This trait is shared with the Multi Mortar, whose shells are all fired from a single barrel as opposed to all three or four barrels.

  • Icon Descriptions
    Icon InfoTapping this icon displays information about the Double Cannon, such as Level, Damage Per Second, Hitpoints, Range, Damage Type and Targets.
    Icon UpgradeTapping this icon begins upgrading the Double Cannon to the next level, if you have enough resources and a free Master Builder or O.T.T.O. When the Double Cannon is at maximum level, this icon is not shown.
    Icon HoBTapping this icon instantly upgrades the Double Cannon to the next level, at the cost of one Hammer of Building if you have one. When the Double Cannon is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoBTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Building. This icon is only shown if you have at least one Book of Building.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.


Builder Hall Level 1 2 3 4 5 6 7 8 9
Number Available 0 1 1 1 2 2 2 3 3
Size Size
3x3
Level Level Damage per Second Damage Damage per Shot Damage Hitpoints Hitpoint Build Cost GoldB Build Time Stopwatch Experience Gained XP Builder Hall Level Required
1 84 50 600 20,000 10m 24 2
2 92 55 690 50,000 1h 60 3
3 103 61 794 80,000 3h 103 3
4 113 67 913 300,000 12h 207 4
5 125 74 1,050 900,000 1d 293 5
6 136 81 1,208 1,400,000 1d 293 6
7 150 89 1,389 2,200,000 2d 415 7
8 165 98 1,597 3,200,000 3d 509 8
9 182 108 1,677 4,200,000 4d 587 9
Range Attack Speed Damage Type Targets
7 tiles 4 shots every 1.6 seconds Single Target Ground
Builder Base Buildings
Defensive Buildings CannonDouble CannonArcher TowerHidden TeslaFirecrackersCrusherGuard PostAir BombsMulti MortarRoasterGiant CannonMega TeslaLava LauncherWalls
Traps: Push TrapSpring TrapMineMega Mine
Resource Buildings Builder Hall (Magic Items) • Gold MineElixir CollectorGold StorageElixir StorageGem MineO.T.T.O Hut
Army Buildings Builder BarracksArmy CampStar LaboratoryBattle Machine Altar
Other Buildings BoatDecorationsObstaclesClock Tower
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