You've played Duke Nukem 3D, you've played Hearthstone... But have you played both at the same time?

Do you remember the time when games tried their hardest to present a 3D environment without having to draw polygons? Well, I'm bringing it back. Enjoy the wacky angle-based sprites and scrolling parallel-to-camera skybox (sky-plane??).
Oh, and also, you kids have it too good with your uncompressed sound effects, real instrument sounds, and fancy HD resolutions. Let's fix that...