Cthulhu is a single-player modification for Half-Life.
It contains 65 maps, 21 new monsters and 14 new weapons.

Aeons ago, Earth was ruled by The Great Old Ones, beings so alien and terrible that merely seeing them would drive most people mad. Before man's ancestors climbed down from the trees, these being were defeated in a war with The Elder Gods.
But their alien nature meant that they could not be slain in any way that we would understand, so they were imprisoned.
And so they wait, patient and potent until the stars are right and they shall walk forth once again and wipe mankind from the face of the Earth.
You play Ranulf Stafford, an occult investigator in Arkham in the year 1928. Drawn into a nightmare chain of events, you find yourself the only thing standing between mankind and the return of Cthulhu, one of the most dreadful of The Great Old Ones.

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The Miskatonic University library Outside the city of the Great Race of Yith The archaeological dig
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Cthulhu v1.0 Installer

Cthulhu v1.0 Installer

Feb 23, 2006 Full Version 8 comments

This is the installer for Cthulhu: An Unspeakable Mod for Half-Life v1.0

Cthulhu v1.1 Patch

Cthulhu v1.1 Patch

Feb 23, 2006 Patch 4 comments

This is the v1.1 Patch for Cthulhu: An Unspeakable Mod for Half-Life

Post comment Comments  (0 - 10 of 102)
asia64
asia64 May 4 2013, 7:35am says:

Please help me: How to escape the where have a tomb in a maze cave with 4 valve?(part 9). I have open the tomb with a skull and see a fly monster, i'd kill him and no way to escape this maze cave! The map so dark get my eye so tired/. Sorry for my bad English...

+1 vote     reply to comment
cahal89
cahal89 Sep 15 2012, 12:45pm buried:

(buried)

As a fan of H.P. Lovecraft, I figured I'd give this mod a try. By the time I got to the second area with the house, I was quickly infuriated. You, the protagonist, are given NOTHING to defend yourself with and you will suddenly find yourself being chased (and slaughtered) by cultists and zombies. To top it off, there are no forms of health restoration. This mod is a joke and is unplayable, pass it up and play something that wasn't actually designed to just kill the protagonist and enrage the player.

-5 votes     reply to comment
wida
wida Mar 1 2013, 1:58pm replied:

Ignore this guy. He comments on EVERY mod whining how hard it is.

+3 votes     reply to comment
Luktom100
Luktom100 Feb 17 2013, 3:28pm replied:

Ohh stop whining, not every FPS is a Serious Sam type of a game, just think a little bit. Was the original HL about slaughtering enemies wave by wave ?? You must be one of those COD players if you like brainless simplicity, and no challenge in games Mister :P

+3 votes     reply to comment
Xul
Xul Feb 1 2013, 7:57am replied:

well, isn't there a bit of survival horror? you can obtain some weapons rather quickly and otherwise run away from them if too many are attacking at once

+2 votes     reply to comment
phipe
phipe Jan 3 2013, 6:14am replied:

Cane sword, second floor, pick it up. Kill a cultist and you´ll now have a schmitar too. Another few and soon you got a revolver and a shotgun as well.

If you still haven´t found it i´ll just leave this here.

+3 votes     reply to comment
nietzschesaurus
nietzschesaurus Dec 19 2012, 3:57pm replied:

I got through the game on multiple occasions just find. Maybe you need to brush up on your skills dude. You ever though to just run past the cultist? They stop chasing you after a bit.

+2 votes     reply to comment
fireprowler
fireprowler Nov 16 2012, 4:45am replied:

you missed the sword didn't you... check the walkthrough if it is too hard for you to find it...

+2 votes     reply to comment
claytonian
claytonian Oct 13 2012, 6:51am replied:

nerd

+2 votes     reply to comment
TheUnbeholden
TheUnbeholden Aug 1 2012, 6:48am replied:

This mod is somewhat a total conversion. All weapons are changed, and most of the characters. However, you’ll also find some original half-life characters and zombies.. which looks out of place, and also detracts somewhat from the story.
While there where flashlights in 1928, the elevators don’t make much sense in that time period. The only place it belongs,is later on, when you’re in the city of Yith. It’s an advanced civilization, a couple of million year’s ago. While original and in style with the year 1928, the weapons can be a bit annoying too as it takes about 3 headshots with the pistol to take down cultists and their reload times are painfully long.
There are some surprises (Snakes/Big Monsters). Some of the boss fights require some keen observing but the rest is mostly gun fights. I like the uniqueness of the locations even if some levels are way to small… and some like the caves are very bland interiors.
The use of audio could have made the mod way better.

To summarize, I was disappointed but maybe I did like some of it. 5/10

+1 vote     reply to comment
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Icon
Half-Life Icon
Platform
Windows
Game
Half-Life
Developed By
PhilG
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Official Page
Xs4all.nl
Release Date
Released Feb 23, 2006
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Highest Rated (2 agree) 10/10

An incredible mod from start to finish.

Among my favorite half-life mods of all time. :)

Jun 7 2011, 2:20pm by flippedoutkyrii

Style
Genre
First Person Shooter
Theme
Horror
Players
Single Player
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2,402 of 19,316
Last Update
7 years ago
Watchers
85 members
Files
2
Reviews
13