If you create a world for the player, don't forget the welcome mat.
World Induction Techniques
are techniques other than realism that cause a player to become emotionally immersed in the world of the game. It doesn't mean the teaching of skills and weapons. It refers instead to techniques for making a player want to spend time in the world of the game.
From our moms' point of view, it's all contractions and screaming. But for us, it's being squeezed like toothpaste. Then there's a welcoming committee comprised of a stranger with a surgical mask who dangles us upside down beneath a five million watt lamp before walloping us on the butt. Paradise.
Before long we're ...