Bonus Coins (Bow-nuss Coyions)
Bonus Coins are buffs that buff your DPS and Coins per click. Bonus Coins appear randomly during a DogeMiner playthrough and are only activated when clicked.
Really-Hardium Bonus Coin
Diamond Bonus Coin
Bonus Coin
Really Hardium Bonus Coins are obtained on Titan. (unconfirmed)
Diamond Bonus Coins are obtained after you reach Mars/Jupiter. (unconfirmed)
Bonus Coins are obtained between Earth-Mars (unconfirmed)