Externalities

While pursuing a goal, players may create new opportunities or threats for themselves or others as a side effect of their actions. This creates new goals for players, ensuring gameplay does not stall once they have achieved their primary goal.

The Best Experiments Are Functional

In games of logical induction, players perform experiments to learn how the game works. These create the reward of feeling clever for figuring out secrets, but it can be frustrating when an experiment

The Game Should React to the Player

In writing, we know that audiences prefer proactive characters to reactive ones. Likewise, in game design, we want to frame players in a proactive rather than a reactive role. Practically, this means they