Operation: TREBUCHET was the last major UNSC offensive against the human insurrection before first contact with the Covenant empire. Our mod will focus on the struggles of the common soldier, rather than the elite spartan warriors, during that offensive. Experience the Halo universe from a new, brutal perspective. For the most up-to-date info regarding the mod and the community, monitor the official subreddit, r/OperationTrebuchet.

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RSS Articles

The fellows who hosted the first Operation Trebuchet, Foxgaming, are hosting their server again. As of this writing, this is currently the only known Optre sever up since the 26th went down.

If you are interested in playing Optre online, the IP for the new Fox Gaming server is: 188.165.227.100

Port : 2302

They are currently running Zeus with 27 open slots. They have also heavily optimized the server to be a bit more forgiving on your frame rate. Bring your friends and have some fun!

THIS SERVER REQUIRES ONLY THE BASE OPERATION TREBUCHET (NO FIRST CONTACT).

OPTRE: First Contact v0.1 Release

OPTRE: First Contact v0.1 Release

News 23 comments

We are glad to announce a pre-alpha release for the Covenant faction!

A List of Planned Assets

A List of Planned Assets

News 11 comments

This list is a working list, that means nothing is set in stone and can be added or removed at any point. Hopefully this will give you some insight on...

RSS Files
Operation: TREBUCHET v0.14

Operation: TREBUCHET v0.14

Full Version 11 comments

The latest patch for Operation: TREBUCHET. This update includes some new vehicular additions and a heap of fixes and tweaks. Check the changelog included...

Operation: TREBUCHET v0.13.1 (Full)

Operation: TREBUCHET v0.13.1 (Full)

Full Version 17 comments

The latest patch for Operation Trebuchet. This release features some of the more important bug fixes that bring the mod up to arma 3's nexus update standards...

Operation: TREBUCHET v0.13.1 Hotfix (Patch)

Operation: TREBUCHET v0.13.1 Hotfix (Patch)

Patch

The latest patch for Operation Trebuchet. This release features some of the more important bug fixes that bring the mod up to arma 3's nexus update standards...

Operation Trebuchet V0.14 Soundtrack

Operation Trebuchet V0.14 Soundtrack

Music 4 comments

Operation Trebuchet V0.14 Soundtrack This includes all the of the original work. This does not include the remixes. Total length of the soundtrack: 69...

Operation: TREBUCHET v0.13

Operation: TREBUCHET v0.13

Full Version 1 comment

The latest installment of Operation Trebuchet. This release features numerous bug fixes and improvements to the existing mod. Additions: + Numerous Bug...

Operation Trebuchet: FIRST CONTACT v0.1

Operation Trebuchet: FIRST CONTACT v0.1

Demo 12 comments

The Covenant have appeared on our borders, burning out worlds. Stop them by any means necessary! For Earth and her Colonies! Included: Units: Elites (Minor...

Comments  (0 - 10 of 393)
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Guest
Guest

How I do even download this mod?

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Guest
Guest

steam

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The_Kylol
The_Kylol

I know it would take some work, but I would love to see the Halo 3 Marines in this mod! It always bugged me that the Marines in Reach just were just army troopers with MP helmets... And that's what made it into this mod lol

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Fеll
Fеll

There already are, although you might need to re-equip the marines. The Marine armor from Halo 3 (and other games) can be found in the mod "OPCAN". It can be found on armaholic.com. I don't know if it is on the steam workshop yet.

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ForkyForklift
ForkyForklift

Hoped to see those fancy new models of the actual H3 armor wich was recently developed in there. Got dissapointed...

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VynalDerp
VynalDerp

Yes. Yes it is.

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CousinVinnie
CousinVinnie

Can anyone recommend a good server? I've been looking everywhere and can't find any.

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VynalDerp
VynalDerp

I usually play on a Zeus server. Some drama caused it to be renamed and such, but it's public and has a bunch of cool guys, including the developer of the OPCAN mod. It does require a fair couple of mods, though, and you have to be on teamspeak. I can give you the IPs and such, if you want. As well as the mod list.

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DanielMarin
DanielMarin

I'm interested in playing. Any way for you to send me the list and the IPs?

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VynalDerp
VynalDerp

Sorry for the late reply, but sure! I'll PM you with the details later today.

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MiracleMax
MiracleMax

yes me and my buddies have started a unit thats filling out its command rn and getting structure. We have a running optre server with insurgency rn 104.192.227.58:2312

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MiracleMax
MiracleMax

we've revised some things but yes our unit is definitely still up. here is our website and Ts.

7thmef.ml

192.187.120.220

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DanielMarin
DanielMarin

Is that Unit still up?

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CousinVinnie
CousinVinnie

I have all of the required content but I can't connect

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Highest Rated (6 agree) 10/10

This mod is great! Halo is my all-time fav game and ArmA 3 falls in at third, so the two combined is great. Only issue is RC7 compatibility, which is being fixed.

May 29 2015 by kirigaya238

Twitter

Latest tweets from @optrebuchet

We would like you to meet, Sage Youtube.com

Oct 4 2016

v0.14 is out! Here's a trailer to celebrate and get you hype! @Arma3official @Halo Youtube.com

Sep 24 2016

Congratulations to the Installation 01 team. Keep up the great work. T.co

Aug 24 2016

Tanoa's looking mighty fine. Looking forward to stomping some Innies in those lush jungles. Props to @Arma3official T.co

Jun 7 2016

The UNSC has just received a new additon to its air force! @Arma3official Youtube.com

Apr 4 2016

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Operation: TREBUCHET
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