It's because you could move in any direction and move and spin at the same time. I don't get dizzy, but I'm sure almost anyone would when they watch me play.

It's because you could move in any direction and move and spin at the same time. I don't get dizzy, but I'm sure almost anyone would when they watch me play. Other games don't really have the six degrees of movement that Descent had. Most people can only think in 2D.