Boom Cannon

 

"The Boom Cannon fires devastating shots but takes a while to reload. Even the strongest armor is no match for the Boom!"

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Level 1	Level 2-5	Level 6-9	Level 10	Level 11-14

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• Summary
  • The Boom Cannon is the sixth defense to unlock in the game.
  • The Boom Cannon is one of the strongest defenses in the game and is very effective against high health troops, such as Tanks or Heavies.

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• Offensive Strategy
  • When attacking Boom Cannons, be sure to either destroy them upfront with a Barrage or Artillery, or limit your time in range of them without them being shocked. A Boom Cannon picking off your large units can ruin an attack.
  • Boom Cannons have a long reload time, so they can easily be taken out by a group of small troops.
  • It is possible for Tanks to avoid the shots of a Boom Cannon on the opposite side of the Headquarters unless it is right up against the Headquarters. If there is even one space between the Boom Cannon and the Headquarters, your Tanks will be out of range on the opposite side if you maneuver them correctly.
  • Because the Boom Cannon targets the nearest troop, you can protect Tanks from Boom Cannons by using Riflemen or Heavies.

• Defensive Strategy
  • Once a total of 4 Boom Cannons are available, it is effective to place them in a diamond or square formation in your base well distanced so that it covers as much of your island as possible.
    • On the other hand, you may want to place them all close to your Headquarters to prevent attackers from avoiding certain Boom Cannons entirely simply by attacking the base from the opposite side.
  • Do not place your Boom Cannons in front of all your other buildings like many people do. Boom Cannons are most effective when they are able to take advantage of their long range and target attackers' troops for long periods of time.

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• Upgrade Differences
  • Initially, the Boom Cannon is a gray structure with a stone base surrounded by sandbags. It has brown plating, valves on both the side and the back, as well as a long barrel.
  • At level 2, the Boom Cannon's barrel turns slightly darker, but this is hard to notice.
  • At level 6, the Boom Cannon gains a thicker barrel and slightly darker colored plating and barrel. The sandbags around the base are removed.
  • At level 10, the Boom Cannon gains a metal base, an even thicker barrel, tubes at the back, and darker colored plating.
  • At level 11, the Boom Cannon gains a heavily armored base.

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• Trivia
  • The Boom Cannon is the slowest-firing of the single-target defenses, but causes the most damage per shot of any defense (with the exception of the Boom Mine, which is a single-use item).
  • The Boom Cannon used to deal double damage to Tanks, but the February 2015 update removed this and increased its DPS at each level by 3/26 (about 11.5%) instead.

HQ Level	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
Number Available	0	0	0	0	0	0	0	0	0	0	0	1	1	2	2	2	3	3	3	4	4	4	4	4	4

Building Size	Range	Attack Speed	Damage Type
3x3	14	4 Seconds	Single

Level	Health	Damage Per Second	Damage Per Shot	Upgrade Cost			Upgrade Time	Instant	Headquarters Level Required	Xp Gain
				Wood	Stone	Iron
1	3,500	290	1,160	121,000	57,000	14,900	5h	409	12	24
2	3,850	319	1,276	141,000	66,000	17,300	6h	456	12	26
3	4,200	351	1,404	198,000	119,000	34,000	7h	609	13	28
4	4,700	386	1,544	255,000	153,000	44,000	8h	708	13	31
5	5,100	425	1,700	350,000	308,000	85,000	10h	975	14	40
6	5,600	467	1,868	610,000	460,000	168,000	12h	1353	15	44
7	6,200	514	2,056	850,000	760,000	330,000	14h	1818	16	50
8	6,800	565	2,260	950,000	850,000	370,000	16h	1976	16	54
9	7,500	622	2,488	1,350,000	1,110,000	700,000	18h	2555	17	58
10	8,300	684	2,736	1,650,000	1,500,000	990,000	20h	3083	18	60
11	9,100	752	3,008	1,810,000	1,650,000	1,080,000	22h	3296	18	61
12	10,000	827	3,308	2,040,000	1,980,000	1,560,000	1d	3816	19	63
13	11,000	910	3,640	2,260,000	2,270,000	2,260,000	1d 6h	4410	20	67
14	12,100	1,000	4,000	2,470,000	2,470,000	2,460,000	1d 12h	4724	20	70