> Recall that Doom is a multi-level first person shooter that ships with an advanced 3D rendering engine and multiple levels, each comprised of maps, sprites an

> Recall that Doom is a multi-level first person shooter that ships with an advanced 3D rendering engine and multiple levels, each comprised of maps, sprites and sound effects. Doom isn't in true 3D, its an advanced raycasting engine. The levels are all 2D, there are no polygons, you can't look up and down. Doom has been ported to a TI Calculator. Lets maintain some perspective here.