This is the HL-Mods category

Half-Life mods. These are generally installed by copying a folder to your Halfe-Life folder, within your Steam Installation. These mods can not use MapTap.

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The Xeno Project 2

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

The story picks up where The Xeno Project left off.

After fighting your way across Xen and escaping in a rocket, you are captured and imprisoned aboard an Earth vessel full of grunts, lead by the our old friend the Gman.

What happens next? I’m afraid that’s up to you. Good luck….you’ll need it.

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Total Downloads: 3,52715th July 2011
37 Comments and 25 recommendations with no significant bias

The Xeno Project

for Half-Life

The terraformation of Xen has begun. The planet now supports a breathable oxygen-nitrogen atmosphere and earth-like gravity. A scientific facility called the Xeno Project has been set up on the planet for continuing research into portal technology. Tension on the planet is running high due to the secrecy surrounding the project and the military’s distrust of the scientific community.

You are Gordon Freeman. Your mission is to report to the underground test lab at the Xeno Project.

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Total Downloads: 5,76514th July 2011
43 Comments and 24 recommendations, most say "Play It Now!"

Assault on Roswell

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

See what the U.S government keeps secret! Go undercover to infiltrate the top-secret military base at Groom Lake Nevada.
Alarming reports within the media have led the British government to send you on a trip to the back of beyond, a place called Roswell, widespread insanity of the American populace has brought the country to its knees, your mission if you choose to accept it is to infiltrate the Roswell base and stop a possible contamination of a deadly virus (maybe alien!) and eliminate any suspected parties

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Total Downloads: 2,18913th July 2011
39 Comments and 15 recommendations, most haven't enjoyed it

Help Wanted

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Sanitation Engineer Required
Immediate Openings for full time position in laboratory setting. Ideal candidate must be able to handle vigorous work schedule, possible overtime, and pass drug screening and background check. Hazardous Environment Suit to be provided to you on site. Please apply to the Human Resources Department, Black Mesa Research Facility.

It’s your first day at work. The job is simple enough, put on your HEV suit and head over to Sector C. If somebody spills something, clean it up. What could be easier?

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Total Downloads: 3,78211th July 2011
38 Comments and 19 recommendations with no significant bias

Prisoner of Event

for Half-Life

One night, Gordon Freeman was going home from work. It was late at night and he was in a hurry. The car’s engine purred quietly and inside was pretty comfortable.

Beyond the car’s window was a cold, cold night and black mountains against a dark sky could be seen in the background.One night, Gordon Freeman was going home from work. It was late at night and he was in a hurry. The car’s engine purred quietly noise and inside was pretty comfortable.

Beyond the car’s window was a cold, cold night. Black mountains against a dark sky could be seen in the background.

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Total Downloads: 3,41110th July 2011
32 Comments and 23 recommendations, most really enjoyed it!

Trespasser

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Your name is Mark Hunt, an elite Marine sent in to ‘clean up’ the Black Mesa Incident. Near evening your platoon was ambushed by a superior force, taking you completely by surprise. In the chaos you became separated from your C.O. and by sheer luck evaded the atomic blast that followed. The Brass didn’t call it luck. You were courtmartialed for desertion and sentenced to ten years in a maximum security prison. Two years into your sentence, something happened…

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Total Downloads: 2,8099th July 2011
29 Comments and 15 recommendations, 6 say "Maybe?"

Phobos IV

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

You are sent to Phobos IV which has a deadly virus.

Fortunately, there is an antidote. Less fortuantely, creatures from Xen have taken control of the base.

Follow the on screen instructions and use you ammo VERY carefully.

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Total Downloads: 1,7037th July 2011
14 Comments and 12 recommendations, most haven't enjoyed it

Affliction

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Starting with a black sequence, it’s clear you were in some medical distress.

Fortunately, the HEV did what it was supposed to do: protect and heal you.

Waking up being guarded by Assassins, seems the least of your troubles.

Pick up the crooked crowbar, go about your usual day: creating mayhem and destruction!

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Total Downloads: 4,3566th July 2011
33 Comments and 24 recommendations, most say "Play It Now!"

Parallax

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

This is the beta release of an unfinished mod. Since this will never be finished, Adam gave permission for it to be released.

There are only two maps and the second one is just two small areas.

My original post had many more screenshots, including outdoor areas with trains, but these are absent from the released files.

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Total Downloads: 2,7095th July 2011
27 Comments and 19 recommendations, most say "Play It Now!"