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 24 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 15 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 403)
lordniti2
lordniti2

Star Wars Oppositon looks amazing!

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AubeSangante
AubeSangante

Whant new ? Go to reddit Reddit.com

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koolerpure
koolerpure

love this mod so much but the lack of communication between the developers and us is saddening because i dont want this mod dead nor wait 2 years for another small but awesome update well after arma 3's player base falls

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VynalDerp
VynalDerp

Well, I doubt Arma 3's playerbase is going to die even after two years, if only because of the absolutely insane amount of mods.

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camwars
camwars

Any chance on an update for First Contact?

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VynalDerp
VynalDerp

I honestly doubt they'll be updating this page much more. I'd say check steam workshop. Probably hundreds of discussions asking that question

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Fеll
Fеll

Has anyone created a tutorial for setting up ODST drops (drop pods, with survivable landings, and other functions)?

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Potato!
Potato!

I know one of the devs made one but not sure what it's called sorry.

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Fеll
Fеll

Reddit.com

This is a link to a discussion which contains the link to the dev. template/demo I think.

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VynalDerp
VynalDerp

I know you need a drop pod module, the control panel, and of course the drop pods themselves. In the editor, I think you can spawn a composition that has everything linked up; you just need to place the module and give it settings to your liking. Then, you can interact with the panel like normal, get into the pod, and have a blast.

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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've got a new UPLINK for all our fans patiently awaiting the next update. @Arma3official @Halo Reddit.com

Jun 5 2017

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

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