> For the complete documentation index, see [llms.txt](https://docs.nextype.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nextype.finance/mining-tycoon/basic-gameplay-description/game-items.md).

# 🎲Game Items

### **Game Items**

There are lots of buff items in the shop, which can highly increase your revenue, make you develop really fast.

### **Mining** **Machine Items**

![](/files/-MedjFltRlYQOxEFh4Mz)

**Primary Electricity Card:**100% free electricity cost for 1 hour(All Mining Machines)

**Medium Electricity Card:**100% free electricity cost for 2 hours(All Mining Machines)

**Premium Electricity Card:**100% free electricity cost for 3 hours(All Mining Machines)

**Small Gold Card:**Get 2-hour gold revenue immediately

**Large Gold Card:**Get 4-hour gold revenue immediately

**Super Gold Card:**Get 8-hour gold revenue immediately

### **Mining** **Farms** **Items**

![](/files/-MedjJPYsZUHGTxEEeEI)

**Primary Installation EXP Card:**Get 2000 installer Exp

**Medium Installation EXP Card:**Get 4000 installer Exp

**Premium Installation EXP Card:**Get 8000 installer Exp

**Primary Installation Accelerator Card:**Increase your installation EXP. gaining speed by 100% for 1 hour(s)

**Medium Installation Accelerator Card:**Increase your installation EXP. gaining speed by 100% for 2 hour(s)

**Premium Installation Accelerator Card:**Increase your installation EXP. gaining speed by 100% for 3 hour(s)

**limited miner revenue card:**Increase NT revenue of designated mining pools by 100% for 8 hours(You can only buy 7)

**Installer Master Voucher:**Vouchers for upgrading the mines

### **Staking** **Mining Items**

![](/files/-MedjMhZrVWuHjQBulc3)

**Junior Miner Revenue Card:**Increase NT revenue of designated mining pools by 30% for 2 hours

**Middle Miner Revenue Card:**Increase NT revenue of designated mining pools by 50% for 2 hours

**Senior Miner Revenue Card:**Increase NT revenue of designated mining pools by 100% for 2 hours

### **Key**

![](/files/-MedjQLLCEaN_dnwNV0A)

Key is one of the most important items in the game, purchased in the shop and get the corresponding number of Treasure Hunting chances. Use Key to withdraw Mining License in the Master Mining Pools. 90% of the USDT paid by the Key purchased by the player on that day will be swapped to hBTC, which becomes the BTC mining pool reward for the next day.