Half-Life: Decay is the the third expansion pack for the award-winning game, Half-Life. It was included as part of the PS2 version of Half-Life. Decay returns to the setting and timeline of the original story, albeit portraying the story from the viewpoint of a different set of protagonists: two scientists working in the Black Mesa Research Facility. Decay is a cooperative multiplayer game, designed to be played by two people working together to pass through the game's levels.

Post news Report RSS Half-Life : Echoes Release Date and Trailer

Playtesting is complete. A release is imminent. Come check out the trailer!

Posted by on

Hello everyone!

As always, thank you for all the kind words and support - you are all fantastic.

After some very informative playtesting, I am now in a position to finally release my work to the community after many years. I plan on uploading a Windows installer and alternative zip file early next Friday morning, the 10th of August (I live in Scotland, so remember that is GMT!)

This mod has been created for the current Steam version of Half-Life on Windows, and is not compatible with Half-Life: Source.

In the meantime, please enjoy a trailer I put together which should set the tone I have been going for with this mod. See you all soon :)

Comments
Gunship_Mark_II
Gunship_Mark_II

Excitement levels critical, morphine administered.

Reply Good karma Bad karma+24 votes
MrGnang Author
MrGnang

Welcome, to the Gunship - Mark II, excitement system.

Reply Good karma+21 votes
KrIsCrEeP
KrIsCrEeP

I'am ready papa Friendly.

Reply Good karma Bad karma+14 votes
MrGnang Author
MrGnang

Take a seat, he will be with you shortly

Reply Good karma+10 votes
Pakika
Pakika

AAAA

Reply Good karma Bad karma+10 votes
MrGnang Author
MrGnang

aÀAAAaaaaaaaAaAaAaAaAaAaAAaAaAaAAaAaAaAAAaAaAaAaAaAaAaAaAaAb

Reply Good karma+10 votes
The-Turkish-Man
The-Turkish-Man

:)

Reply Good karma Bad karma+7 votes
Keyboardjunkie
Keyboardjunkie

So is this like a reimagining of the original Half-Life campaign. I'm a tad lost.

Reply Good karma Bad karma+4 votes
MrGnang Author
MrGnang

It takes place during the Black Mesa incident, but from a different perspective!

Reply Good karma+7 votes
Jancev™️️
Jancev™️️

*** yeah finaly :D

Reply Good karma Bad karma+5 votes
TheRealApaul27
TheRealApaul27

I'm ready for the mod, and its going to be AWESOME!

Reply Good karma Bad karma+8 votes
lightningterror
lightningterror

This is gonna be good.

Reply Good karma Bad karma+6 votes
mb77
mb77

It's so cool!

Reply Good karma Bad karma+6 votes
phipe
phipe

Eagerly anticipating your creation. Will review it once finished playing through it.

Reply Good karma Bad karma+7 votes
CW3D
CW3D

Nicely done MrGnang, I will see you up ahead.

Reply Good karma Bad karma+7 votes
kk-3568
kk-3568

I get my allowance. DOOM Eternal's gameplay is revealed. Half-Life: Echoes is released. The 10th is gonna be great.

Reply Good karma Bad karma+6 votes
Serious_Samsung
Serious_Samsung

I don't think my heart can take it.

Reply Good karma Bad karma+6 votes
crazymancody895
crazymancody895

This oughta be good.

Reply Good karma Bad karma+6 votes
TheRenegadist
TheRenegadist

Good to hear, going to be streaming this first thing it comes out!

Reply Good karma Bad karma+6 votes
SweetJuleka
SweetJuleka

Awesome! Can't wait to finally play this! :3

Reply Good karma Bad karma+5 votes
23-down
23-down

Friday it is.. God I'm more exited for this mod than I have been for past games in recent years.. :)

Reply Good karma Bad karma+6 votes
flippedoutkyrii
flippedoutkyrii

*SCREAMING INTENSIFIES*

Reply Good karma Bad karma+5 votes
ThePersonFromMars
ThePersonFromMars

I don't need sleep anyway.

Reply Good karma Bad karma+5 votes
TheZayko
TheZayko

I'm dying of joy for the awesome mods of Half life, which are being launched this year!

Reply Good karma Bad karma+4 votes
_origami_
_origami_

OoooooohWEEE!!!

Reply Good karma Bad karma+5 votes
Appolyon093
Appolyon093

From front page! Great mod!

Reply Good karma Bad karma+6 votes
XxDaxterXxHero
XxDaxterXxHero

CANT WAIT.

Reply Good karma Bad karma+6 votes
UnrEaLHaZarD
UnrEaLHaZarD

Effin Yeahh!

Reply Good karma Bad karma+4 votes
raziel_zv
raziel_zv

Imagine Zeus on 10th of August:

"RELEASE THE ECHOES!"

Reply Good karma Bad karma+4 votes
alcatraz88
alcatraz88

Finally!

Reply Good karma Bad karma+3 votes
Trempler
Trempler

I was proud of being a tester and get the chance to test this masterpiece <3
Good luck with the release and my full respect to all the work and love you put into this amaizing Mod :)

Reply Good karma Bad karma+3 votes
MrGnang Author
MrGnang

And thank you for testing - it's feedback like yours that makes me know all the time spent on this was worth it :)

Reply Good karma+2 votes
CrikeyMate
CrikeyMate

Literally gearbox-level modification

Reply Good karma Bad karma+3 votes
Suparsonik
Suparsonik

i camed my pants

Reply Good karma Bad karma+3 votes
monster_human_grunt
monster_human_grunt

"Yep, all that target range time is gonna pay off today"

Reply Good karma Bad karma+2 votes
JimmyCognitti
JimmyCognitti

You know a game is good when it's about to turn 20 and people still make awesome mods for it... Can't wait to play it!

Reply Good karma Bad karma+2 votes
BetaSeeker_PL
BetaSeeker_PL

Looks awesome, I'm definitely hyped! Will this be compatible with Xash3D or only the Steam version?

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MrGnang Author
MrGnang

I've never tested this with Xash - nor will I be promoting it for Xash as it was never designed for it. Use at your own risk, is my opinion!

Reply Good karma+1 vote
Hezus
Hezus

I'm going on holidays next friday... noooooooooo!!!

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MrGnang Author
MrGnang

Don't worry - the mod isn't going anywhere :) Holidays are more important!

Reply Good karma+1 vote
FenrisTheWolfGod
FenrisTheWolfGod

I've been watching this for some time, so hoping it's a hit

Reply Good karma Bad karma+2 votes
Dubadub
Dubadub

it's cool, but... you know what could be more cool... a mod that takes place on seven hours battle. But i'm ok with this.

PD:I loved :)

Reply Good karma Bad karma+1 vote
UrbaNebula
UrbaNebula

You want Hunt Down the Freeman... Pahahaha

Reply Good karma Bad karma+3 votes
MrGnang Author
MrGnang

I think the 7 hour war is much better as a story point and not a game. There is no way to have a player involved in it in any meaningful way, as it happened so fast and there really isn't a real fight from the human's point of view. Also - it would be hard to get the scale across from a single point of view as well

Reply Good karma+1 vote
VETMIN
VETMIN

damn release it already I CANNOT WAIT >:O

Reply Good karma Bad karma+2 votes
PropperNem
PropperNem

Hype!

Reply Good karma Bad karma+1 vote
xXRafaelGamerXxHL1
xXRafaelGamerXxHL1

VERI GUD

Reply Good karma Bad karma+1 vote
Surafdjr
Surafdjr

seem to have a problem when booting up Cdn.discordapp.com

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MrGnang Author
MrGnang

This means the two DLL files are not present in the Half-Life folder. Download the .zip and check the readme file. Put both of them in the Half-Life folder itself

Reply Good karma+1 vote
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Half-Life: Decay
Platforms
PS2
Developer
Gearbox Software
Engine
GoldSource
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