So what is it that keeps gamers inside their virtual worlds? It's been established that games are generally fun, and that some can offer an escape from the real world, but within the framework of the game, there has to be some form of incentive to keep the players interested, and enjoying the experience.
What if a game failed to create any goals for the player to meet? What, then, would be the point of playing? In absolutely every game, there is some sort of goal - something one aims for and desires to achieve. After all, desire is the motivation for human behavior.
Videogame goals come in many flavors, catering to the variability of our desire. From the very beginning, there have been rewards systems in place, encouraging gamers to persist at their electronic pursuits.