Half Life 1 Single Player Mods
Overview:

Half-Life: Visitors impresses you with 7 levels of increasing difficulty. 25 maps ask for cleverness and tactical meditation. Furthermore: 1 extra level invites you for a ‘chill out’ in calm times. Adds three new weapons and two new usable items.

Your Character

You are playing the young lawyer Dr. Alan Green:

  • First name: Alan
  • Last name: Green
  • Age: 28 years old
  • Occupation: Lawyer
  • Gender: Male
  • Home country: Alabama, USA
  • Location: Administration, Sector A
Levels overview
  • Visit Black Mesa
  • Security system failed
  • Detours
  • Breedings
  • Black conspiracy
  • Illusion or reality
  • Mankind strikes back
  • Final obstacles
Half Life 1 Single Player Mods
Background:

Dr. Alan Green published his book ‘Black Mesa Background’ in August 2003, just one year ago. This book is about his one-week job in the Black Mesa Research Facility as a state-controlled safety evaluator within a fact-finding commission to carry out a safety report. But the job changed his life completely; and after the publication of his book his life was changed again.

Half Life 1 Single Player Mods

Alan Green was forced to maintain silence in years over the incidents since August 1998. But five years later he brought himself to tell the public about all incidents in the deepest desert of New Mexico and the deaths and disappearance of hundreds of people.
Only a few days after the publication of his book in 2003, Green was posted as missing by his wife and after only a few days the police put the case to file as unexplained.
Since then Alan Green is all times disappeared, but obviously he knew the danger he was in with his book. Some people told, they saw him on the streets, but other people are sure of that the organisations are responsible for his disapperance which Green mentioned in his book.
The truth, and if possible a second book about all incidents since 2003 will let on with Alan Greens comeback.

Resources:
Reader Recommendations
11 recommendations, average score: 4.18 (out of 5), standard deviation: 1.42
Broken Link?

Please email me about a broken link and I will do my best to repair it as soon as possible - thank you.

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Please note: These statistics are valid from December 2010

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Published

20th September 2004

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Mod not working?
An update by Valve to some Source engines has caused a number of mods to stop working properly and give errors. Please visit my Get Mods Working post for more details.
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25 Comments
  1. n1 Mod!!

  2. Nakazoto

    1st April 2006

    Definately one of my favourite mods out there!

  3. it exits the whole application after a few seconds X(

  4. very good this mod!! very long!

  5. this page should be update since the mod is out for a while

  6. S.T.A.L.K.E.R.

    11th June 2007

    Play It Now!

    Phillip the mod is out! Update!

  7. Update!

    Yes Sir!

    I’ll upload the file and generally update the post as soon as possible.

  8. Avoid It!

    This looked like it was going to be a VERY good game, with very professional menu screens etc…but everytime it started to load a ‘half life launcher’ error message popped up and the game crashed. So I can only say…

  9. This looked like it was going to be a VERY good game, with very professional menu screens etc…but everytime it started to load a ‘half life launcher’ error message popped up and the game crashed. So I can only say…

    Sally, i know why it does not work for YOU! Launch your Half-Life 1, Make sure that the high definition pack is uninstalled, Launch Half-Life from your “Valve” folder (hl.exe), change game to Half-Life: Visitors, and visitors works.

  10. Maybe?

    That game crash me too….

  11. Anonymous

    6th January 2008

    when I start the game on the intro it crashes i get this:
    The instruction at “0x01d9e3be” referenced memory at “0×00000424″ .The memory could not be “read” PLEASE HELP !!!!!!!! a can load another map > console but after short play it crashes again

  12. Play It Now!

    the game crashes after few minutes play same error message *12 (thats me) can this be repaired
    This look like great mod i load some of the maps through console but the game still crashes

  13. If someone els have this problem try to change some settings OpenGL or Direct3D
    if this don`t work find a folder named “cl_dlls” delete the files “DemoEditor.dll” and “GameUI” and then tray changing the settings again
    Enjoy!!!

  14. Ezequielhl

    28th January 2008

    Play It Now!

    Maybe that happens in Steam HL, because I played it and it was a hell of a mod: new weapons, models, “enemies” (Black Ops, a variety of Zombies), effects, AI behavior, and even PARTICLE EFFECTS!

    It’s almost a must play (because this crashing issue D=)

  15. Play It Later

    Very good game, quality game, good action with a nice balance to the gameplay. One or two small bugs.

  16. Moonsorrow

    20th June 2008

    Play It Later

    A really nice game! You need to be clever and to notice the small details, it’s funny…but after all, you are a lawyer ;)

  17. Rolando Roland

    22nd October 2008

    Play It Now!

    this game rocks

    nothing else to say

  18. anonymous

    26th August 2009

    I havent played this mod in 2 years, so i cant remember if my statements are accurate. Anyway, i am LOST on the part in Mankind strikes back where i think you have o put something in or fire a laser (SHOOP DA WHOOP)into a huge purple hole, can anybody help me?

  19. Play It Now!

    Its really grteat, nice to se grunt vs black ops actuon. although i am rooting for the grnts since they are bad ass unlike the black ops.

  20. Someone made reference to this mod in the latest survey. Are there any download links? I’m downloading the link mentioned in the post above however its for the steam version which I don’t have, so I don’t know if it will work.

  21. “DemoEditor.dll” and “GameUI” – I do not have this files in the folder you mention only a client dll file…

  22. Play It Now!

    Can’t remember much except it’s a very well done German mod with many puzzles, some decent combat and a great BM atmosphere combined with nice and detailed leveldesign and layouts! Must play!

  23. TheUnbeholden

    13th May 2012

    Play It Later

    The mod looked like it had potential, a story of a lawyer who had to go and inspect the government facility. The opening had good level design and instantly reminded me of Blue Shift, which looked like its inspiration. It starts off well and places you up against a few aliens to get passed before you get your weapon which I liked. It has 2 new weapons which I always love when a mod attempts and I felt they very much fitted into the game.
    The first half I found to be quite good in terms of difficulty, nicely designed areas but by the end I felt you fought a tad to many Islaves.
    I also liked the fact you couldn’t use HEV charging stations or pick up batteries but instead may find a kevlar vest later on. I did have some issues though..

    For the door with the broken wire I try experimenting, moving a barrel in a adjacent area only to find it hits a invisible wall…. you go to the previous area and find a metal crate at the bottom of the elevator and try pushing it through to the next area but it gets stuck at the door you can clearly walk through…. what the hell.
    The mod punishes you for experimenting for no reason. Clearly it had 3 ways of getting the broken wire fixed but the mod only allowed 1 way by putting invisible walls that stop crates/barrels.

    There was another point later on when you see a teleporter but it kills you when you try to jump into it while the controllers are still alive… lame.
    Just after that for some reason your guns get taken away from you. Double lame.
    But the rest of the mod didn’t disappoint apart from some areas that where a little tough and needed some patience to get through.

    The ending was interesting to say the least, I saw a model I’ve never seen before :O

    .

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