I remember Descent for two things: 1). The amazing six degrees of freedom, which really did feel like a cut above what 3D shooters were doing at the time. 2). How utterly motion sick it made me. I ...
Descent 1 & 2 are great. And if you'd love a procedurally generated Descent-clone roguelike, check out Desecrators. I remember this being one of the coolest games that actually ran well on the modest ...