Meaningful Game Economies
A game economy is meaningful when spending and earning money form a rewarding loop.
Schell says that a game economy is defined as simply: how players spend and earn money. He says a successful game economy has meaningful answers to those questions and usually that involves a loop: they spend money to allow them to earn more money. This patterns shows up in a lot of game design.
Related to Meaningful Choices in Gamesd) and Game Design is Problem Solving.
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