The Green Hills of Earth
Robert A. Heinlein
Future History or "Heinlein Timeline" (16)
Between Planets
SCROLL 07 Let's Kick Shell!
Ray Barnholt
The Martian in the Wood
Stephen Baxter
Uncertainty in Games
Greg Costikyan
Playful Thinking (1)
Achievement Relocked: Loss Aversion and Game Design
Geoffrey Engelstein
Works of Game: On the Aesthetics of Games and Art
John Sharp
Play Matters
Miguel Sicart