Clash of Clans Wiki
Clash of Clans Wiki
For the Builder Base version, see Mine.
For the larger analogue, see Giant Bomb.
Bomb info

"Nothing says 'STAY OUT' quite like a good old-fashioned hidden bomb."

Bomb1 Bomb3 Bomb5 Bomb7 Bomb9 Bomb11
Level 1-2 Level 3-4 Level 5-6 Level 7-8 Level 9-10 Level 11-12


  • Bombs are traps that remain hidden until they are activated by an attacking troop moving into their trigger radius like other traps. It is the first such trap unlocked.
  • Once triggered, Bombs must be re-armed, which can be done for free and takes place automatically after logging into the game.
  • Although they are the weakest of all the traps, Bombs can still have a positive impact on the effectiveness of a village's defense if properly placed, but only if they are always re-armed after triggering.
  • Even though Bombs are classified as "Defensive Buildings", they are not buildings and do not need to be triggered/destroyed for your enemy to reach 100% destruction (nor do they count toward it).
  • The Bomb explodes approximately 1.5 seconds after an enemy comes within 1 tile of it, causing splash damage to every enemy ground troop within 3 tiles. This delay means that you'll want to place the Bomb in an area where troops are likely to remain for a period of time like right next to a building they're attacking.
  • By itself, a single Bomb will not do a great deal of damage to even the weakest of troops (although every bit helps). However, several Bombs in a cluster can significantly damage or even destroy an entire group of Archers or Goblins.


Defensive Strategy

  • A Bomb can destroy an equivalent-level Wall Breaker. Since Wall Breaker A.I. targets wall junctions, place Bombs at outside perimeter intersections and corners for maximum effect.
    • This can be used to ruin pathing for a potential Queen Charge or similar strategy, though it is ineffective against Super Wall Breakers (or if the enemy deploys sufficiently many Wall Breakers and they are able to reach the Walls).
  • One defensive strategy commonly used for the placement of Bombs is to position them along the outside Wall, behind external buildings. The external buildings serve to delay the enemy troops until they've grouped up, so that when they attack the Wall, the Bomb hits many troops at once. This is most effective against low-health troops, though grouping enough Bombs together can be a serious hazard for Giants, too.
  • Alternatively, some players decide to place a group of Bombs around a defensive building on the outside of their base, to act as a trap for enemy Giants. Placing a Spring Trap at the entrance to these trapped defense structures makes them even more effective.
  • Be cautious when upgrading a Bomb, as this will reveal its location. Combat this by relocating it during the upgrade period, since it won't trigger during that period anyway. This is useful against players who scout out your base ahead of time for revenge attacks.
  • Exploiting the way the A.I. targets buildings can dramatically increase the defensive effectiveness of your Bombs. For example, a group of 2-3 Bombs placed between a pair of resource collectors is very likely to destroy an entire group of Goblins as they pass from one collector to the next.
  • A Bomb upgraded to level 4 or higher can instantly kill a group of summoned Skeletons, making Bombs very effective against Witch based attacks. However, note that Skeletons on their own are unable to trigger Bombs, meaning they won't be immediately wiped out until other troops (such as Giants) trigger it.
  • Bombs are useful against players who use a Battle Blimp filled with Sneaky Goblins who aim to use the Sneaky Goblins to quickly destroy the Town Hall. Since Bombs trigger even if the Sneaky Goblins are invisible, a sufficient amount of Bombs around the Town Hall can quickly kill the Sneaky Goblins and defuse this tactic. This increases in importance at the highest Town Hall levels, where Town Hall sniping strategies become more viable as the Town Hall gains an increasingly devastating weapon.
  • They are even good against witches. as the bomb damages the Skeletons and the Witch.

Offensive Strategy

  • Bombs do only slight damage to high health troops but will destroy small troops. Try using tanks or high health troops like a Giant to absorb the Bomb.
    • Skeletons spawned by Witches or a Skeleton Spell do not trigger the Bomb, so using such troops to trigger the traps may be less beneficial in Witch-based strategies.
  • If you suspect that a particular location has Bombs in it, use a small troop, such as a Barbarian to trigger them. Do not send small troops in mass, or they may all be heavily damaged at best, or completely wiped out at worst.
    • Air troops like Minions do not have to worry about Bombs as the Bombs cannot damage them.

Upgrade Differences

  • The Bomb goes through significant visual changes at levels 3, 5, 7, 9, and 11.
    • When initially constructed the Bomb appears as a spherical iron shell with a fuse.
    • At level 3, the Bomb becomes a little bigger and gains 4 golden spikes around its circumference.
    • At level 5, the Bomb is encased in two metal shells that have several golden bumps on their surface.
    • At level 7, the Bomb is encased in two golden shells with no bumps on the surface.
    • At level 9, the Bomb takes the shape of a truncated icosahedron with spikes.
    • At level 11, the Bomb takes the shape of a cube with the corners golden and spiked, and gains a thin torus around its circumference.

Icon Descriptions

Icon InfoTapping this icon displays information about the Bomb, such as Level, Damage Type and Targets.
Icon UpgradeTapping this icon begins upgrading the Bomb to the next level, if you have enough resources and a free Builder (or B.O.B). When the Bomb is at maximum level, this icon is not shown.
Icon HoBTapping this icon instantly upgrades the Bomb to the next level, at the cost of one Hammer of Building if you have one. When the Bomb is at maximum level, or if the Town Hall requirements for the next level are not met, 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 BuilderPotionTapping 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 one Builder Potion. This icon is only shown if you have at least one Builder Potion.
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.


Town Hall Level 1 2 3 4 5 6 7 8
Number Available 0 0 2 2 4 4 6 6
Town Hall Level 9 10 11 12 13 14 15 16
Number Available 6 6 6 6 7 8 8 8
Size Size
Build Time
Experience Gained
Town Hall Level Required
Town Hall
1 20 400 N/A N/A 3
2 24 1,000 6m 18 3
3 29 10,000 1h 60 5
4 35 75,000 2h 84 7
5 42 220,000 4h 120 8
6 54 450,000 8h 169 9
7 72 650,000 12h 207 10
8 92 1,100,000 1d 293 11
9 125 2,000,000 2d 415 13
10 140 3,000,000 3d 509 14
11 155 5,000,000 4d 587 15
12 170 9,000,000 8d 12h 856 16
Trigger Radius Damage Radius Damage Type Unit Type Targeted Favorite Target
1.5 tiles 3 tiles Area Splash Ground None
Unarmed Bombs
Level 1 & 2 Level 3 & 4 Level 5 & 6 Level 7 & 8 Level 9 & 10 Level 11 & 12
Bomb1 unarmed Bomb3 unarmed Bomb5 unarmed Bomb7 unarmed Bomb9 unarmed Bomb11 unarmed


Patch Description
August 2, 2012 Introduction of the Bomb, with no levels and 6 of them to build.
August 30, 2012 Bombs and other traps are now visible when visiting own clan members.
September 19, 2012 Improved visual effect of Bomb's lit fuse.
October 15, 2012 Bombs and other traps are no longer visible during a defense replay.
February 5, 2013 Tapping a Bomb now shows its trigger radius.
November 6, 2013
  • Bombs now remain in the village after being triggered, but imposing a re-arm cost in doing so, and removing the ability to sell untriggered Bombs.
  • Added four more levels to the Bomb, for a total of five.
July 3, 2014
  • Added the level 6 Bomb.
  • All Bombs and other traps can now be re-armed by tapping the Town Hall.
  • Moved down the Town Hall requirement for level 5 Bomb to Town Hall 8 (from 9).
December 10, 2015
  • Reduced the re-arm costs for the Bomb at all levels.
    • Level 1: 400 -> 50 Gold
    • Level 2: 500 -> 100 Gold
    • Level 3: 600 -> 150 Gold
    • Level 4: 700 -> 200 Gold
    • Level 5: 800 -> 250 Gold
    • Level 6: 900 -> 300 Gold
May 22, 2017
  • Increased the Bomb's damage at all levels.
    • Level 1: 12 -> 20 Damage
    • Level 2: 16 -> 24 Damage
    • Level 3: 20 -> 29 Damage
    • Level 4: 26 -> 35 Damage
    • Level 5: 34 -> 42 Damage
    • Level 6: 42 -> 54 Damage
March 5, 2018 Added the level 7 Bomb.
October 23, 2018
  • Added the level 8 Bomb.
  • Reduced the detonation delay to 1.5 seconds (from 2 seconds).
April 2, 2019 Removed re-arm costs for the Bomb entirely (as with all traps and reloadable defenses), instead automatically re-arming after logging into the game.
December 9, 2019 Added the level 9 Bomb.
March 30, 2020
  • Reduced the upgrade costs of level 5-7 Bombs.
    • Level 5: 1,000,000 -> 500,000 Gold
    • Level 6: 1,500,000 -> 1,000,000 Gold
    • Level 7: 2,000,000 -> 1,500,000 Gold
January 20, 2021 Increased the level 9 Bomb's damage from 112 to 125.
April 12, 2021
  • Added the level 10 Bomb.
  • Reduced upgrade costs at level 5-7.
    • Level 5: 500,000 -> 300,000 Gold
    • Level 6: 1,000,000 -> 600,000 Gold
    • Level 7: 1,500,000 -> 1,200,000 Gold
  • Reduced upgrade times at level 2, 5, and 6.
    • Level 2: 15m -> 6m Time
    • Level 5: 1d -> 18h Time
    • Level 6: 2d -> 1d 12h Time
December 9, 2021 Reduced upgrade costs at levels 6-8.
October 10, 2022 Added the level 11 Bomb.
December 12, 2023
  • Added the level 12 Bomb.
  • Reduced upgrade costs/times at levels 3-10.


  • The fuse on the Bomb is lit constantly, but never burns up.
  • The Bomb, Giant Bomb, and Spring Trap are the oldest traps in the game.
  • If the Bomb has been triggered just before the battle ends, the Bomb won't explode.
Home Village Buildings
Defensive Buildings CannonArcher TowerMortarAir DefenseWizard TowerAir SweeperHidden TeslaBomb TowerX-BowInferno TowerEagle ArtilleryScattershotBuilder's HutSpell TowerMonolithRicochet CannonMulti-Archer TowerGiga TeslaGiga Inferno (TH13TH14TH15TH16) • Wall
Traps: BombSpring TrapAir BombGiant BombSeeking Air MineSkeleton TrapTornado Trap
Resource Buildings Town Hall (Magic Items) • Gold MineElixir CollectorDark Elixir DrillGold StorageElixir StorageDark Elixir StorageClan Castle (Treasury)
Army Buildings Army CampBarracksDark BarracksLaboratorySpell FactoryDark Spell FactoryBlacksmithWorkshopBarbarian King AltarArcher Queen AltarGrand Warden AltarRoyal Champion AltarPet House
Other Buildings BoatAirshipForgeDecorationsObstaclesLoot CartStrongman's CaravanSuper SaunaBuilder's HutB.O.B's Hut