Buildings

Buildings are items that gradually gain you more resources for buying more buildings/upgrades. Each building has an individual resource per second production and increase in price each time you buy one. Wall Destroyer currently contains 14 buildings, 6 of them being unlockable by purchasing specific upgrades. Each buildings damages the wall by giving cash/wall damage, except for the Brick Factory which only produces bricks. Reality Compromisers produces fourth wall bricks (base 0.1 fourth wall bricks a second) as well as attacking the wall. Buildings usually cost cash, but some of them require other resources.

Each building's price is calculated with the following formula, rounded to the nearest integer:

$ \text {Price} = \text {Base cost} \times 1.1 ^ M $

where M = number of that type of building currently owned.

Or, equivalently:

$ \text {Price of Building Number (N+1)} = \text {Price of Building Number N} \times 1.1 $

Therefore, the cumulative price for N buildings is calculated as a finite geometric series:

$ \text {Cumulative price} = \frac { \text{Base cost} \times ( 1.1 ^ N - 1 )}{0.1} $

Name	Base cost	Base damage	Type	Unlocked at	Description
Puncher	20 cash	0.1 DpS	Melee building		Punches the wall for you.
Clubber	150 cash	0.5 DpS	Melee building		Not to be confused with the other kind of clubbing.
Swordsman	1,100 cash	2.5 DpS	Melee building		Some question the use of swords on a brick wall. Those guys are lame.
Gunshooter	16,000 cash	30 DpS	Ranged building		Shoots his gun.
Grenademan	400,000 cash	500 DpS	Ranged building		A man with a grenade.
Wrecking Ball	8,000,000 cash	7,000 DpS	Heavy duty building		Something actually meant for destroying walls.
Bulldozer	120,000,000 cash	80,000 DpS	Heavy duty building		Rams the wall. So good.
Airstrike Caller	5,000,000,000 cash	2,500,000 DpS	Heavy duty building		You know, the guy that calls airstrikes.
Necromancer	66,666,666,666 cash 1 brick	33,333,333 DpS	Magic building	Magic Mining purchased	Raises dead wizards to destroy the wall with their dark magic. Requires bricks.
Titan	888,888,888,888 cash	250,000,000 DpS	Magic building	Summon Titans purchased	We got the necromancers to raise ancient titans from the dead. They smash the wall with their giant fists.
Demon	666 bricks	3,666,666,666 DpS	Magic building	Dark Magic Mining purchased	Defiles the wall with the darkest magic of all.
Reality Compromiser	100,101,001,011,010 cash	40,000,000,000 DpS	Dream building	Reality Research purchased	Enters reality code and removes the wall from existence.
Black Obliterator	52,000,000,000,000,000,000 cash 52,000 fourth wall bricks	1,000,000,000,000,000 DpS	Dream building	Black Research unlocked	Robots covered in The Black. They're really cool, so no one questions mixing the most dangerous & evil thing ever with cold, unfeeling robots.
Brick Factory	16,666,666,666,666 cash	0.05 Bricks per second	Special building	Deep Magic Mining unlocked	Creates artificial bricks with dark magic. The wizards will never know.

The last 6 buildings requires specific upgrades to be unlocked. Each one of these upgrades are obtained by breaking one of the base walls.

Name	Unlocked at	Price	Description
Magic Mining	1st wall destroyed	1 brick	We need bricks to trade with the underground wizards for their secrets. Bricks are their most valuable resource.
Summon Titans	2nd wall destroyed	16 bricks	The wizards are willing to raise titans from the dead to help destroy the walls. This is a good idea.
Dark Magic Mining	3rd wall destroyed	6,666,666,666,666,666 cash 66,666 bricks	Summons demons. Necromancers and titans do 50% more damage. We need to mine into hell with dark magic so we can make a deal with the devil to destroy the wall. Everything about this plan is excellent.
Reality Research	4th wall destroyed	404,400,040,440,040,440 cash 4,004,404 bricks	Unlocks reality compromisers. Unlocks the 4th wall upgrade tier. We have discovered with the breaking of the 4th wall that we are all inside a stupid idle game. Not even a real game! But we can use this knowledge to our advantage...
Black Research	5th wall destroyed	42,000,000,000,000,000,000 cash	Unlocks Black Obliterators. We have discovered a substance in [REDACTED] that holds more power than anything we have ever encountered. We call it The Black because it is pitch black.
Deep Magic Mining	2nd wall destroyed	66,666,666,666,666 cash 6 bricks	Necromancers do twice as much damage. Titans do 50% more damage. Unlocks the brick factory. The wizards are saying we shouldn't go this deep, but we found these cool dark magic tablets.

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