> For the complete documentation index, see [llms.txt](https://ppkas.gitbook.io/ppkas/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ppkas.gitbook.io/ppkas/app-and-game/moon-park/mining-system.md).

# Mining System

**Decide - save up** [**PPCOINs**](/ppkas/app-and-game/moon-park/resources.md)**, or spend them on improvements to earn even more PPCOINs!**

## Buildings and Rarities

[PPCOIN ](/ppkas/app-and-game/moon-park/resources.md)is mined by mining buildings.
\
The parameters and mined PPCOIN are updated **once an hour**.
\
There are 5 types of buildings. They differ in characteristics.
\
Each type of building has 5 rarities:

* Common
* Rare
* Epic
* Legendary
* Mythic

Initially the player has access to one common mining building.

<figure><img src="/files/Fk4zDbePcuY0GdybpLfH" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="/files/NAokwhETwkafqoMHPATx" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="/files/oeKFvCncDPGhHWZwIs5I" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="/files/iTTBGkw74kZu3BOj80cd" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="/files/bmM9aQbcn8NM9hqw6e9G" alt="" width="563"><figcaption></figcaption></figure>

## Cells for buildings

The player has 5 cells available to install 1 building of each type.

<figure><img src="/files/BL6oepwNyximWPfctQPd" alt="" width="323"><figcaption></figcaption></figure>

To install a building in a locked cell, the player must reach certain [levels](/ppkas/app-and-game/moon-park/player-level-progression.md):

* 2nd cell - 10th level
* 3rd cell is level 15
* 4th - level 20
* 5th - level 25

Installing an active building in a new cell (up to 5) increases the T-former's conversion efficiency.

## Puzzles

Puzzles are needed to build mining buildings of different rarities.
\
There are 25 different puzzles in total (coincides with the number of buildings - 5 rarities with 5 buildings in each).
\
Puzzles can be obtained from [loot boxes](/ppkas/app-and-game/shop/loot-boxes.md). The higher the rarity of the loot box - the more rare puzzles you can get from it.
&#x20;The number of collected and required puzzles is displayed in the mining buildings menu for all buildings.

## Energy

Mining buildings consume [Energy](/ppkas/app-and-game/moon-park/resources.md).
\
If there is no Energy, [PPCOIN ](/ppkas/app-and-game/moon-park/resources.md)mining stops.
\
Energy is transformed from [Trilemmas ](/ppkas/app-and-game/moon-park/resources.md)in [TransFormer](/ppkas/app-and-game/moon-park/t-former.md).

## Storage

The mined [PPCOINs ](/ppkas/app-and-game/moon-park/resources.md)are stacked in a Storage of limited size, they must be collected in time.
\ <mark style="color:orange;">**If the Storage overflows, mining stops.**</mark>
\
The Storage can be improved by increasing its size.
\
Since the vault is located in a cell and not in a building, vault improvements are retained when the building is replaced.

The maximum storage level is 10.\
From 1 to 4, the storage level is upgraded for PPCOIN, from 5 to 7 - for PPKAS, from 8 to 10 - for KAS.

## Building level

Mining buildings can be leveled up, and both performance and energy consumption are increased.
\
After replacing the building in the cell with a new building of the same type, but more rare, you will no longer be able to return the old building. This is done to avoid manipulation of the loot boxes, the value of which is linked to your income. Building level upgrades are not saved when installing a rarer one.

<figure><img src="/files/KG9xNyrpjPnVM27ANVKy" alt="" width="323"><figcaption></figcaption></figure>

The maximum building level is 100.\
From 1 to 50, the building level is upgraded for PPCOIN, from 51 to 75 - for PPCOIN and PPKAS, from 76 to 100 - for PPCOIN and KAS.

<figure><img src="/files/8X4JA9rsCxtkKVZ1xZGN" alt="" width="323"><figcaption></figcaption></figure>


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