The Pillars of Internal Economy — An Introduction to Game Economics

Irises, by Vincent van Gogh (1889) [from USEUM]

In his book, Fundamentals of Game Design (2004), Ernest Adams establishes that most games have an internal economy: a system in which game resources are produced, consumed, and exchanged. The complexity and importance of this internal economy, or simply the game's economy, varies from game to game. Even more, if they belong to different genres. [1]