A Theory of Fun for Game Design
Raph Koster
Game Engine Black Book Wolfenstein 3D (v2.1)
Fabien Sanglard
Orpheus and the Roots of Platonism
Algis Uždavinys
Game Engine Gems, Volume One
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Game Engine Gems (1)
Beyond Good and Evil: Prelude to a Philosophy of the Future
Friedrich Wilhelm Nietzsche
