Some activities are passive, such as sitting on camping chairs, while others are active and require certain skills, such as creating virtual content and trading virtual real estate. Players can earn L$ by engaging in various activities in the game. It all revolves around the in-game currency, Linden Dollars (L$). Once you earn a predetermined amount of in-game money, you get the option to request a cash-out. According to Exodus 3000, it has paid out $65,000 since 2006.
You earn in-game money, called Mars Dollars, which you can redeem for real cash.