'Space combat games have declined in recent years, […]. David [Wessman] has a theory on why : "The particular skills required are of a higher order than the eye-hand co-ordination and fast reflexes of standard shooters. It also requires quick thinking and problem solving on a very high level of situational awareness. All of this is compounded by the fact that you are in 3D space in which you can move in any direction, and threats come from everywhere. It's a sad, true fact that many people have difficulty navigting a 3D space. Not many publishers are willing to risk the amount of money it takes to make a triple-A game when they know the majority of the public won't buy the game because they're incapable of playing it." '