Description

Taking Doom³ PVE (Coop) and PVP (Deathmatch) multiplayer combat to the next level and beyond… D3 MCS: Mars City Security is a Doom3 Modification that puts heavy emphasis on cooperative and adversarial multiplayer, merging the fast and addictive gameplay of the predecessors (Doom1 & Doom2) with the enhanced Doom3 technology (optimized netcode for Online Internet & LAN networked multiplayer with improved idtech4 unified rendering).

Preview
MCS 1.2.1.8 Windows Installer (793 MB)
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Predalienator
Predalienator - - 1,327 comments

IT'S FINALLY HERE!!

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

IMPORTANT NOTICE !

In case the DOOM3 MasterServer happens to go offline (like it currently is) you can still browse for online Doom3 and MCS servers at the following link: Gametracker.com

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ShadowsRage
ShadowsRage - - 33 comments

My body is ready! On a more serious note, great work releasing this!

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

hehe... thx :)

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R0ADKILL
R0ADKILL - - 1,174 comments

Great job guys, nice surprise :D !!!

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GasmaskManlet
GasmaskManlet - - 74 comments

hey bro i will test this mod on my windows 10 and i will tell you if it works or not

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GasmaskManlet
GasmaskManlet - - 74 comments

just tested it well game froze on changing stuff 2 times but other than that no crash everything fine on wins 10

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

Thx for the feedback :)

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YR^]H[{^Z
YR^]H[{^Z - - 2 comments

gives an error on source port for linux, when loading from mod menu:
ERROR: error: file mcs_1218_data.pk4/script/doom_events.script. line 205: Unknown event 'getActiveClient'

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

Currently Only Windows as a platform is supported. Linux and MacOS builds are to follow...

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booman
booman - - 3,651 comments

Yes, can't wait for a Linux build! Mars City Security is amazing and truly refreshes Doom 3 to a whole new level. I feel like this is the way Doom 3 should have been from the beginning. Amazing job!
I will look forward to the Linux version. Thanks for supporting Linux

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Pulstar85
Pulstar85 - - 34 comments

Works with BFG? I'm banking on negatory :/

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

You are banking correct... Original Doom3 only...

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D3athStalker
D3athStalker - - 259 comments

I can't make it work :( It gives this error when I try to start MCS Client

********************
ERROR: Error: file script/doom_events.script, line 205: Unknown event 'getActiveClient'

********************
Error during initialization
Shutting down OpenGL subsystem
...wglMakeCurrent( NULL, NULL ): success
...deleting GL context: success
...releasing DC: success
...destroying window
...resetting display
...shutting down QGL
...unloading OpenGL DLL

I'm using Windows 7 x64

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

This error looks like you loaded the wrong gamex86.dll.

Try to make sure all Doom3 and MCS files are properly installed and at the right locations.

Also be sure that your "Doom3/base" folder contains only the original Doom3 1.3.1 files and remove any modded/extracted files/folders from that folder.

In case you are a steam user, you could completely delete your "steamapps/common/Doom 3" folder and redownload it...

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Guest
Guest - - 689,335 comments

so how will my ping show in being that Im form AUS

will I get better ping with the new net code?

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

Ping/Latency is a physical constant that you cannot influence... but the MCS client handles high Ping/Latency way better compared the original Doom3 1.3.1 client.

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Guest
Guest - - 689,335 comments

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

It won't because MCS and LMS use different codebases.

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Guest
Guest - - 689,335 comments

Damn. Thanks for saying. Just a idea you could make your PJ like lms i mean.
All you gotta do is get there maps. And music. Just a idea. Wean i get my pc fixed. Im going to play the hell out of the.. Mod or cobe update? You did one hell of a job

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gamesmaster899
gamesmaster899 - - 106 comments

you know they could but... that's not new ya know

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gamesmaster899
gamesmaster899 - - 106 comments

nice to see it's done time to test it

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manolo_flia
manolo_flia - - 13 comments

BOLIVIA SOUTHAMERICA PRESENT:
I never played Doom 3 before, now seeing MCS and reading the news about THIS AMAZING MOD ... I'm very impressed... GOOD WORK REALLY GOOD WORK ... YOU GUYS ARE AWESOME!!!

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

Glad you like it, hope to meet you on the server some day :)

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Guest
Guest - - 689,335 comments

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RG.ITA
RG.ITA - - 73 comments

Hi One! Can you help me about Invalid CD Key on MCS? I can't play and when i add key i've an error message "Missing files". Please help me because i would play with friends.

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

MCS uses the same cd key information as base Doom3 1.3.1 or any other mod for it. So if you are able to play with your base Doom3 1.3.1 installation and connect to online servers, you should also be able to play MCS online.

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RG.ITA
RG.ITA - - 73 comments

I Fixed! Thanks a lot One for anwser. Nice job you're great.

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Guest
Guest - - 689,335 comments

Are there any servers up? I dont see any in game.

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Oneofthe8devilz Author
Oneofthe8devilz - - 195 comments

Go here: Gametracker.com

Plenty of MCS servers are online ;)

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cybermephiles32
cybermephiles32 - - 7 comments

So this like a Spiritual Successor to LMS?

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TheDooMAGE
TheDooMAGE - - 10 comments

How much of the single-player campaign is playable?

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Guest
Guest - - 689,335 comments

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