Currencies

Currencies are used to buy a variety of things in the game (excluding the things sold in the Shop). You can earn them through various ways and they also have various uses. Currencies do not reset when you rebirth.

Money
Money is the more common and more useful currency. Its' icon is a gold coin with a "$" on it.

How to get Money

 * Killing enemies will grant you Money equal to = ((their level * 10) * (your Money multiplier))
 * Increasing your money multiplier, either through pets or gamepasses.

What it Does

 * Money can be spent on Eggs, specifically the Common and Uncommon eggs.
 * Money can be spent on the Turret Shop.
 * You can spend Money to buy the weapons that have a lower cost but lower damage.

Gems
Gems are more rarer and are currently not as useful as Money. Its' icon is a blue diamond. The text that displays the amount of gems you have is purple.

How to get Gems

 * Killing bosses grants gems equal to their current level.
 * Completing some missions grants gems upon completion.
 * Gems can also be bought from the Shop.
 * Rebirthing also grants gems.

Usage of Gems

 * Gems are used to buy the Rare, Epic and Legendary Eggs.
 * Gems can buy some of the higher cost but higher damage weapons.