The Union Aerospace Corporation has been experimenting with teleportation technology on Mars' moons Phobos and Deimos. After early successes, something goes wrong. It seems the scientists have opened a gateway straight to Hell. Phobos base is overrun with demonic creatures, and the whole of Deimos simply vanishes. A squad of marines is sent to Phobos, but all except one are …

An original Quake add-on, Dissolution of Eternity sets out to expand upon the Quake universe by adding something fresh, while preserving the basic concept of the game. To this end, Dissolution incorporates new themes and adds a number of new monsters, weapons, and levels. Armaments such as the grappling hook, multi-rocket, and multi-grenade launchers, and lava nailgun all make their …

Shub-Niggurath and her minions have been defeated, but that doesn't mean that Quake's forces are finished. Arriving back at home base, you find it overrun with more of the hellish creatures. Armagon, another one of Quake's lieutenants, wants to continue where Shub-Niggurath failed. It's up to you to stop Quake once more.Scourge of Armagon is the first official mission pack …

Compiled by iD Software in response to various commercial Doom wad collections like D!Zone, the Master Levels for DOOM II was intended to be the largest mega-collection of additional Doom maps (the "Maximum Doom" collection), plus twenty new official maps (the "Master Levels").The "Master Levels" are twenty stand-alone maps from independent level designers commissioned by iD. There is no overall …

Deathkings of the Dark Citadel is the only official expansion of the original Hexen game. Continuing the story of the original game, the protagonist picks up the Chaos Sphere at the end of the game and is then transported to the realm of the dead. To escape he must travel to the citadel of and slay the Death Kings.This add-on …

Hexen is the sequel to Heretic. While the Heretic was destroying D'Sparil, the other two Serpent Riders have come to your dimension and slaughtered everyone. Or so they thought. Three humans have managed to escape with their lives and now seek vengeance against the Serpent Rider Korax who remains in their world.Like Heretic, Hexen is a fantasy game based on …

Heretic: Shadow of the Serpent Riders is the expanded version of the original Heretic retail release with the addition of two new episodes. This gives Heretic: Shadow of the Serpent Riders a total of five episodes compared to the original Heretic's three episodes (and a single episode for the shareware release). Owners of the original Heretic are able to download …

Heretic is the first game in the Heretic / Hexen franchise. It uses the engine from id Software's DOOM and transplants that game's first person shooter gameplay into a fantasy setting. Like DOOM, Heretic consists of three distinct episodes, playable in any order, the first being available as shareware. The hunt for D'Sparil begins in the City of the Damned, …

Shub-Niggurath and her minions have been defeated, but that doesn't mean that Quake's forces are finished. Arriving back at home base, you find it overrun with more of the hellish creatures. Armagon, another one of Quake's lieutenants, wants to continue where Shub-Niggurath failed. It's up to you to stop Quake once more. Scourge of Armagon is the first official mission …

An original Quake add-on, Dissolution of Eternity sets out to expand upon the Quake universe by adding something fresh, while preserving the basic concept of the game. To this end, Dissolution incorporates new themes and adds a number of new monsters, weapons, and levels. Armaments such as the grappling hook, multi-rocket, and multi-grenade launchers, and lava nailgun all make their …