Members - HELLSCAPE classic: the rings of power mod for Doom

So the earth went into a power crisis and the whole earth went into a nuclear fallout. You, A marine, need to acquire the nine circles and power the world. Along the way you will need to fight the titans guarding each ring (because the circles are portrayed as rings you wear). And there's a 10th ring that Satan himself wears that you need to take. The ring of heresy