Copper

Copper(

) is the currency used in Back 4 Blood.
Players can collect copper to purchase useful items and weapon upgrades from a KSC Vendor Create at a Saferoom. It can also be spent on Active Cards that can be found scattered across the levels or be used to restore Health once all free charges of First Aid Cabinets have been used.

Copper can be found in many places across levels in varying amounts. Some places copper can be found are inside cars, buildings, or inside stash rooms. Once a player collects copper, that collected amount is awarded to all players in the party rather than being split between members. Copper can also be generated using Active Cards, Burn Cards or via the Corruption Cards that the Director will throw at the Cleaners.

Players can share copper by opening their inventory menus and drop copper in stacks of 100 or their entire copper at once.

Cards that affect Copper

The following lists give an overview of which cards interact with the Copper currency.

Active Cards

Main article: Active Cards

**Active Cards that interact with Copper**
Card Image	Card Name	Effects
	Bounty Hunter	When you or your team kills a Mutation, gain 10 Copper (up to 300 per level).
	Compound Interest	Each Cleaner gains 5% of their total Copper in each Saferoom.
	Copper Scavenger	You can sense nearby Copper. More Copper Piles spawn.
	Fortune	Gain 50 Copper at the start of each level.
	Hazard Pay	Gain 250 bonus Copper at the start of each level.
	Lucky Pennies	Whenever you or your team loots Copper, you have a 35% chance to find 35% additional Copper.
	Money Grubbers	Each time your team loots Copper, you gain 3 additional Copper, stacking up to 25 times.
	Share the Wealth	TEAM EFFECTS Each teammate gains 100 bonus Copper at the start of each level.
	Stealthy Passage	Allows disarming of door alarms, car alarms, and birds. The target will trigger if you are interrupted. DISABLES: Quick Slot TEAM EFFECTS Gain 25 Copper per success.
	Weaponsmith	PvE=Allows the ability to unbolt attachments from weapons outside of Saferooms. Unbolting attachments costs 400 Copper. TEAM EFFECTS Additional copies of Weaponsmith played reduce its cost by 100 Copper.

Burn Cards

Main article: Burn Cards

**Burn Cards that interact with Copper**
Card Image	Card Name	Effects
	Hired Gun	TEAM EFFECTS Each kill grants 1 Copper, up to 500 for each Hired Gun card played.
	Windfall	TEAM EFFECTS Each Cleaner gains 150 Copper.

Corruption Cards

Main article: Corruption Cards
Cards that have multiple variations have not been listed for clarity.

**Corruption Cards that interact with Copper**
Card Image	Card Name	Effects
	Blood Samples	Find and bring the Specimen Container to the end of the level to earn 500 Copper.
	Boss Mutation	Defeat the Boss and complete the level within the time limit to earn: +500 Copper
	Cost of Avarice	For every 100 Copper you carry, Move Speed, Sprint Speed, Sprint Efficiency are reduced by 2% and Damage Resistance is reduced by 3.5% (to a maximum of 30 stacks).
	Cut The Red Wire	Complete the level within the time limit without triggering any birds, Snitches, Car Alarms, or Alarmed doors to earn 500 Copper.
	Hasty Exit	Complete the level within the time limit with all cleaners alive to earn: +500 Copper, +10 Supply Points
	No One Left Behind	Complete the level with all four Cleaners alive to earn 500 Copper.
	Safety First	Complete the level without the cleaners being incapacitated more than 4 times to earn 500 Copper.
	Silence Is Golden	Complete the level without triggering any birds, Snitches, Car Alarms or Alarmed doors to earn 500 Copper.
	Speed Run	Complete the level within the time limit to earn 500 Copper.