"Cannons are great for point defense. Upgrade Cannons to increase their firepower, but beware that your Defenses cannot shoot while being upgraded!"
| Level | Damage per second | Damage per shot | Hitpoints | Build cost | Build time | Experience gained | Town hall level required |
|---|---|---|---|---|---|---|---|
| 1 | 7 | 5.6 | 300 | 250 | 5s | 2 | 1 |
| 2 | 10 | 8 | 360 | 1,000 | 30s | 5 | 1 |
| 3 | 13 | 10.4 | 420 | 4,000 | 2m | 10 | 2 |
| 4 | 17 | 13.6 | 500 | 16,000 | 20m | 34 | 3 |
| 5 | 23 | 18.4 | 600 | 50,000 | 30m | 42 | 4 |
| 6 | 30 | 24 | 660 | 60,000 | 1h | 60 | 5 |
| 7 | 40 | 32 | 730 | 100,000 | 2h | 84 | 6 |
| 8 | 48 | 38.4 | 800 | 160,000 | 3h | 103 | 7 |
| 9 | 56 | 44.8 | 880 | 250,000 | 3h 30m | 112 | 8 |
| 10 | 64 | 51.2 | 960 | 330,000 | 4h | 120 | 8 |
| 11 | 74 | 59.2 | 1,060 | 500,000 | 4h 30m | 127 | 9 |
| 12 | 85 | 68 | 1,160 | 600,000 | 5h | 134 | 10 |
| 13 | 95 | 76 | 1,260 | 660,000 | 6h | 146 | 10 |
| 14 | 100 | 80 | 1,380 | 1,000,000 | 8h | 169 | 11 |
| 15 | 105 | 84 | 1,500 | 1,200,000 | 10h | 189 | 11 |
| 16 | 110 | 88 | 1,620 | 1,300,000 | 11h | 198 | 12 |
| 17 | 115 | 92 | 1,740 | 1,500,000 | 12h | 207 | 12 |
| 18 | 125 | 100 | 1,870 | 1,800,000 | 16h | 240 | 13 |
| 19 | 135 | 108 | 2,000 | 2,000,000 | 20h | 268 | 13 |
| 20 | 150 | 120 | 2,150 | 2,600,000 | 1d | 293 | 14 |
| 21 | 160 | 128 | 2,250 | 3,000,000 | 1d 12h | 360 | 15 |
Tapping this icon displays information about the Cannon, such as Level, Damage Per Second, Hitpoints, Range, Damage Type and Targets.
Tapping this icon begins upgrading the Cannon to the next level, if you have enough resources and a freeBuilder(orB.O.B). When the Cannon is at maximum level, this icon is not shown.
Tapping this icon instantly upgrades the Cannon to the next level, at the cost of oneHammer of Buildingif you have one. When the Cannon is at maximum level, or if theTown Hallrequirements for the next level are not met, this icon is not shown.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number ofGems.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of oneBook of Building. This icon is only shown if you have at least one Book of Building.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of oneBook of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
Tapping this icon, which is displayed only while an upgrade is in progress, gives the player the option to assign aBuilder's Apprenticeto that Building. This icon only is only shown if you have unlocked Builder's Apprentice for 500Gems.
Tapping this icon, which is displayed only while an upgrade is in progress, boosts all your Builders for 1 hour by a factor of ten, at the cost of oneBuilder Potion. This icon is only shown if you have at least one Builder Potion.
Tapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
Tapping this icon gears up the Cannon, if you have upgraded it enough to do so, have enough resources and a freeMaster Builder. If any Cannon is already geared up, this icon will not appear.
This icon informs you that the Cannon cannot be geared up because it is insufficiently upgraded. Tapping this icon will tell you the required level to gear up this Cannon. If any Cannon is already geared up, this icon will not appear.
This icon indicates that the Cannon is currently set to Normal mode, to attack units in the usual manner. Tapping this icon switches the Cannon to Burst mode. This icon only appears when the Cannon is geared up, and is in Normal mode.
This icon indicates that the Cannon is currently set to Burst mode, to attack units with burst shots. Tapping this icon switches the Cannon to Normal mode. This icon only appears when the Cannon is geared up, and is in Burst mode.