The primary timeline of Doom games shows the evolution of the Doom Slayer, transforming from a marine on Mars into an interdimensional warrior.

Doom is the daddy of first-person shooters and ... invaders from Hell enter our reality and it's up to 'Doomguy' to secure the Phobos and Deimos bases. Later, he takes the battle to Hell itself ...

Doom killed side-scrolling 2D games the way Nirvana ... It turned out researchers there were experimenting with teleportation between Phobos and Deimos. Something went terribly wrong, Deimos ...