Emergent gameplay is made possible by defining simple, global rules; behavior; and properties for game objects and their interaction in the game world and with the player. Emergent gameplay occurs when interactions between objects in the game world or the player's actions result in a second order of consequence that was not planned, or perhaps even predicted, by the game developers, yet the game behaves in a rational and acceptable way. Emergent gameplay allows the game world to be more interactive and reactive, creating a wider range of possibilities for actions, strategies, ...