When you move to new locations, you will find different resources that can be used for various purposes.  Those are:

• Gold - Your main resource. Used to upgrade machines, hire employees, and upgrade strongholds. The higher your stronghold level, the more gold you will receive.
  You can also earn a large amount of gold by using the Lucky Spin or purchasing it in the store.

• Gems - A very valuable resource in the game. You can earn gems through tasks, the Lucky Wheel, the Premium Pass, and daily missions.
  Gems can be used to purchase resources:
  - Upgrade upgrade cards to increase effects for your stronghold, such as tip money, service speed, offline earnings, and more.
  - Open chests in the store to receive valuable items.
  - Boosters - Help you earn more gold.
  - Vouchers are used to get tactical equipment or pets.
  - Pickaxes - A special item in the game that helps you loot items to fight against the robots. When you loot items, they are used in the Arena mode.

• Tactical Vouchers - Items used to unlock tactical gear that increases stats for your character in both the Adventure and Arena modes.

• Pet Ticket - An item used to open boxes to receive pets

• Blue Ticket -  An item used to upgrade special characters

• Arena Ticket - Items used to participate in Arena. Each ticket you will use once to enter the Arena

• Red Thread - Item used to upgrade the rarity of the flag 

• Blue Thread - Item used to upgrade the level of the flag.

• Master Point - Item used to exchange for prestige rewards in the Arena.

• Pet Food - Item used to upgrade your pet.

• Crowbar - Item used to collect loot.