I had to buy gold to buy things in the game I needed. Like ISO8 Goo to do special missions to win a special limited edition super hero, buy better weapons, or I

I had to buy gold to buy things in the game I needed. Like ISO8 Goo to do special missions to win a special limited edition super hero, buy better weapons, or ISO8 gems to make my super heroes better. It is hard to explain, but in order to play the game better you need to keep buying stuff. Zynga games are like that as well. If you don't buy stuff then you suffer in the game and other players can beat you up better.