The Ultimate Doom's story ended with the Marine protagonist's defeat of the second spider mastermind in a gateway between Hell and Earth. Stepping through a portal to Earth which ope… 展开

In terms of gameplay, Doom II is similar to the first game, adding only incremental changes to its formula in the form of new monsters and a new weapon. To progress, the player must … 展开

Doom II sold over two million copies, the most sales of any id Software game at the time. The new and varied enemies, and its innovative non-linear level design were praised by critics… 展开

Doom II's levels are divided into three "episodes", though these are never named in-game. The sky texture for each episode is different, and an intermission screen describes the pr… 展开