Hexen: Beyond Heretic with a SteamGate subscription

In a realm corrupted by the evil magic of three brothers known as the Serpent Riders, you are a heretic. As one of the last Sidhe elves, and a capable mage, you embark on a quest for vengeance against those who slaughtered your friends, family, and entire race.

The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.

Hexen: Deathkings of the Dark Citadel is a dark fantasy first-person shooter and expansion to Hexen: Beyond Heretic. After discovering the Chaos Sphere, you have been transported to the Realm of the Dead. Now, your only way home is blocked by the Dark Citadel.

Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

It's World War II and you are B.J. Blazkowicz, the Allies' most valuable agent. In the midst of the German Blitzkrieg, the Spear that pierced the side of Christ is taken from Versailles by the Nazis and secured in the impregnable Castle Wolfenstein. According to legend, no man can be defeated when he has the Spear.

Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.