Get the mod here! And if you want more Half-Rats, check out:

Parasomnia Source Code available here:

July, 1883. Half-Rats is, as he usually seems to be; down on his luck and fretting for the future. One fateful night, he carelessly decides to drown his sorrows with strong libations - and he runs up a tab at a pub he knows he can't pay...Remarkably; Instead of a reproachful speech and coarse removal, he is instead told a tale he can hardly believe. A tale involving great riches, but even greater peril. If he was not so desperate, he wouldn't conceive of embarking on what could be a wild goose chase to locate a forgotten and virtually unknown town. Half-Rats' doubts were abated somewhat when the publican shews his utmost sincerity - albeit in a strange and effusive manner - and draws him a rude map.

"Thank the lord, for he smote that place from the Earth in '81. We lived, but most met their destruction the night that liberating conflagration visited freedom upon us. We're the last of 'em...There was a vault in the bank, large sums of money would have been stole away there, safe. We vowed never to go back, to keep that place a dread secret until tonight."

The seemingly mythical town in question is referred to as "Eminence". With no other hope to speak of, and fearing that this may be treachery after all; Half-Rats is still compelled to begin this peregrination to his "El Dorado" with weapons at the ready. But he'll find much more than gold and banknotes before his journey is through. All is not what it seems, and he'll find a living, livid hell to contend with...And the close of a dilemma he'd all but forgotten.

New Features:

- Brand new maps. Featuring several environments.

- Inventory items you can carry with you and use. Each with its own effects. you can carry up to 9 of each item on the planet.

- Lantern that requires oil to function.

- Monetary system. You can pick up cash and valuable objects in order to purchase items at stores.

- Man Brand-new enemies to contend with - Many with their own abilities and fighting styles.

- Mixed enemies that each utilize their abilities in a squad setting to take you down.

- 6 new period weapons.

- "Kicking" enemies and "Blocking" attacks during melee combat.

- "Half-Cat Cheroots" combat companion.

- Over 600 brand-new textures from scratch.

- New sounds!

- New music provided by my solo act, "Ague".

Character Background:

Half-Rats – A somewhat educated gentleman who fell from grace long ago, but still retains a singular social fluidity and still holds fast to the moral compass of his upbringing, and has been known to rub shoulders with bad company, while also fraternizing with the upper class when he can – where some regard his kinship as a novelty at times. Likes his whiskey. He has a certain amount of mettle, and tends to show levity as a means of dealing with dire situations. He had heard the rumors of Eminence back in Detroit, and decided to embark on an adventure!


M1860 Cavalry Saber

.45 Colt SAA

Double-Barreled 12GA Coach Gun

Henry Repeater


Gatling Gun


Meat Pie (Health)

Dried Meat (Health, Armor, Damage Boost)

Whiskey (Armor)

Cocaine Lozenge (Temporary Invulnerability)

Whale Oil (Lantern)

Enemy Types:




Beasts of Decay

Boss (Four (4) Freakin' Bosses, man!)

Powered by the Goldsource engine!

Heath Games is:

Half-Rats - Project Lead, 2D Art, 3D Art, Concept Art, Level Design, Writer, SFX and Music

OsirisGodoftheDead - Coding, Design Help

Shepard - Coding Lead, Conversion, Cleanup

CliffyV - Animator

ThanosHLD - Mapping, Writing Help, Level Design

Devan Miller - Resident VA

Netoxy - Modeling/Animation

"That moment when you realize you can't map in the daytime because your .wad is too dark..."



"My El Dorado"

"Road to Perdition"

"No Vacancy"

"The Bonehoard"

"Manor of Speaking"

"Poor Quarter"

"Trip the Light Fantastic"

"Final Showdown"


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It's bittersweet, mostly bitter, but somewhat sweet - if you think about it in the right context. To be frank with you all, Parasomnia v1.1 and all of the lovely fixes we had planned just simply won't be happening.

I really thank the people who stuck around through this, and kept up their support, but with our main mapper missing without word for nearly a year, and being the only one with access to the RMFs, there was no way we could do this right by you. Our programmer's schedule is backed up - and he wishes to pursue other avenues. As for me; I will no longer have time for anything Parasomnia-related, nor any real ability to carry on with this mod - in lieu of our latest titles currently in development. As disappointing as it is, it was time to move on and realize that the battle's over. From a business-minded standpoint, there was no sense in diverting resources into a project that fell way short of its expected playerbase and engagement - and continues to shrink further down the ladder to this day. It was better to keep it as-is, and look towards the future. Plenty of people enjoyed it for what it was, and that's what counts!


See you cowboy...some time, somewhere...


With that depressing stuff out of the way, I have recently made a big step. I have made the big move from my childhood home, and set out into the world. Heath Games is now a registered LLC, based in Flint, Michigan! My dream of opening a brick-and-mortar development studio is just that much closer to being realized...By the by...Don't worry, Half-Rats himself isn't going anywhere - just the incarnation above! He'll be back very soon in our upcoming titles!



You should see the cool official stamp and all the lovely paperwork that went with this!

Anyway...You probably also want to know what's coming in the future...Okay, if you'd look here:

Half Rats Poster2

That's our latest title. It picks up where Parasomnia left off, and basically finishes the arc once and for all. It's a bit of a different format than our previous titles, and in fact - it will be our first commercial release on the Unreal Engine. It's a wave-based survival/tower defense game - and if that tickles your fancy, I'd suggest checking it out pronto! I forgot to mention, a few of your favorite enemies will be making a comeback as well! If all that don't tickle your fancy in the slightest, then wait around a little while longer, because a new chapter in the Half-Rats saga is in pre-production as we speak!


Once again - thank you for all of your support - you know who you are! And peace to the haters...I don't love you, but I hope you lead successful lives...because I'll find a way to get your money one day!

Two last things to mention: We will STILL be releasing the Parasomnia FGD and Source Code, as well as the HRAFD RMFs - if I can find them. I will also make the Open Beta version of Parasomnia available once again. I hope this lessens the blow a little bit more!

X's and O's, motherfuckers.

Half-Rats: Parasomnia - Back on Track

Half-Rats: Parasomnia - Back on Track

News 4 comments

Time for another update, yeah? Heath Games' Future, Heath Games Merch, and, of course, some headway on Parasomnia v1.1!

Christmas Goodies for YOU! (Bestiary is Out Too!)

Christmas Goodies for YOU! (Bestiary is Out Too!)

News 3 comments

We come bearing gifts. The Bestiary you've all been waiting for is finished as well as some before/after photographs of what we've been working on to...

End the Nightmare! (Final Showdown)

End the Nightmare! (Final Showdown)

News 2 comments

Pre-production, development, testing, release, redacting, development, testing, re-release, then development, testing, and finally the release of version...

Half-Rats: Parasomnia Out Now!

Half-Rats: Parasomnia Out Now!

News 5 comments

You like horror? The 1800s? Booze? Demons and sh*t? All that can be yours and much more, guys and gals...For those of you who missed the Halloween release...

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Half-Rats: Parasomnia FGD

Half-Rats: Parasomnia FGD


Can't make nothin' without this, eh? This is the FGD for making Parasomnia maps!

The Rise and Fall of Eminence - A Bestiary

The Rise and Fall of Eminence - A Bestiary

Guides 7 comments

This guide expands on the lore of the Half-Rats universe a bit. Enjoy!

Half-Rats: Parasomnia - v1.0b - Steam/Linux

Half-Rats: Parasomnia - v1.0b - Steam/Linux

Full Version

The whole game in it's "v1.0b" version for the Linux operating system (SteamOS as well). Only Half-Life Steam is supported!

Half-Rats: Parasomnia - Patch v1.0b - Steam/Win32

Half-Rats: Parasomnia - Patch v1.0b - Steam/Win32


FMOD's upgrade (music engine's middleware) and client side optimisations for better FPS in certain situations. Steam Half-Life on Windows ONLY!

Half-Rats: Parasomnia Original Soundtrack

Half-Rats: Parasomnia Original Soundtrack


The soundtrack for Half-Rats: Parasomnia! Bangin'-ass tunes to slaughter to!

Half-Rats: Parasomnia (STEAM VERSION ONLY)

Half-Rats: Parasomnia (STEAM VERSION ONLY)

Full Version 22 comments

NOT compatible with XASH or WON. A first-person, single-player horror modification for Half-Life that takes place in the 1800s. "July, 1883. Half-Rats...

Comments  (0 - 10 of 656)

Half-Rats I need your help. I'm mapping for a while now and I want to know how the hell are you making those subtitles. Do you use game_text or do you use something else and how do you trigger them. Can you explain to me it would be sooo helpful. And by the way you're a heck of a modder,keep up the good work :D

Reply Good karma Bad karma+2 votes

It's the same subtitles system as PARANOIA if you are familiar with it where "scripted_sentence" does the job automatically. All you have to do is to add an entry in "titles.txt" with the same sentence code (the "!AA_BBBB" thing) and trigger that "scripted_sentence".

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Half-Rats Creator

Basically, you can just look in our titles.txt file to see how they were implemented.

Reply Good karma+2 votes
Half-Rats Creator

Titles! They are triggered by the firing of multi_manager threads, and they are timed to the length of the wav file. Ummm, it's been a while, so I don't know if anything special had to be done code-wise. That's a question I could ask Shepard. Hang tight.

Reply Good karma+2 votes

I figured it out, don't worry about it Half-Rats.Thanks for the help though! Stay awesome!!

Reply Good karma Bad karma+1 vote

Can Anyone make A copy of Para10.bsp?

Mine seems corrupted for some reason...

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Half-Rats Creator


Reply Good karma+4 votes

rip 1.1

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Half-Rats Creator

Definitely still on it. Like stank on ****.

Reply Good karma+1 vote

Nope, still on it;)

Reply Good karma Bad karma+2 votes
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Highest Rated (9 agree) 9/10

Awesome mod, quite a few improvements and additions over the previous 'Half-Rats: A Fever Dream' The story is pretty interesting and the maps feel a lot less linear compared to the last mod. It even has a cool little tutorial which is pretty helpful and not many mods do that. It really is one of a kind and the most work I've seen put into a Half-Life mod in the past couple years. The enemies were pretty well designed and were indeed very difficult especially if you're standing still. It was quite…

Dec 12 2016 by Lopper

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