Like many video games, Moonstone Island has a main currency. Although many people say money can’t buy you happiness, it can certainly help get you there. If you want to learn how to earn money fast in Moonstone Island, continue reading. Moonstone Island: Best ways to earn money fast There are plenty of different ways to get yourself some cash in this game. Typically, it comes from selling items, but there are some tricks to this. You can earn money fast in Moonstone island by selling gems, Ingots, and Spirit Research. Screenshot: PC Invasion First of all, you’ll quickly discover donating Spirit Research is the best way to earn the most money. The first time I turned in research at the Science Center, I earned myself around 5,000-8,000 gold. This was after only having played two in-game weeks and finally discovering that Spirit Research makes bank. Take a trip to the Science Center every few days after you’ve tamed, fought, or hatched new Spirits. Oth...