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

v0.19 Released

News

Hey all,

Just posting an article to inform those that monitor this channel that an update for Operation: TREBUCHET has been released. For some reason, we can't get the files to upload to ModDB properly, so, in the meantime, we'll provide alternate Google Drive download links in this article.

Main Mod (v0.19): Drive.google.com

ACE Compatibility (v0.3): Drive.google.com

OPTRE: First Contact v0.1 Release

OPTRE: First Contact v0.1 Release

News 26 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 v0.18

Operation TREBUCHET v0.18

Full Version 3 comments

The latest patch for Operation: TREBUCHET. This update includes a massive overhaul of infantry equipment and new textures for a significant number of...

Operation TREBUCHET ACE Compat v0.2

Operation TREBUCHET ACE Compat v0.2

Patch

This is a patch meant to be used alongside the ACE3 mod to ensure compatibility between the two mods. It requires both Operation: TREBUCHET and the ACE3...

Operation TREBUCHET ACE Compat v0.1

Operation TREBUCHET ACE Compat v0.1

Patch 1 comment

This is a patch meant to be used alongside the ACE3 mod to ensure compatibility between the two mods. It requires both Operation: TREBUCHET and the ACE3...

Operation TREBUCHET v0.17

Operation TREBUCHET v0.17

Full Version 1 comment

The latest patch for Operation: TREBUCHET. This update includes some big changes to soldiers and their equipment along with adding a few new toys for...

Operation TREBUCHET v0.16.1

Operation TREBUCHET v0.16.1

Full Version

The latest patch for Operation: TREBUCHET. This hotfix is aimed towards fixing some more critical bugs and issues and doesn't contain any new content...

Operation TREBUCHET v0.16

Operation TREBUCHET v0.16

Full Version 1 comment

The latest patch for Operation: TREBUCHET. This update includes mostly fixes and tweaks, but also some new weapons and attachments. Check the changelog...

Comments  (0 - 10 of 413)
MiracleMax
MiracleMax

hey quick question do you have a discord and if so what is it?

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The_Kylol
The_Kylol

Any plans on releasing the Halo 3(Canon)style Marines?

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Fеll
Fеll

As Max said

The specific variety of H3 marines will be for URBAN. That is what you are looking for.
I like the look of the H2 / H3 marines.

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MiracleMax
MiracleMax

It's already released through the OPCAN submod

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ActoCZ
ActoCZ

Will you make M510 Mammoth ??

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giansalvador745
giansalvador745

Why when i open the game with the mod it just says bad file?

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VynalDerp
VynalDerp

This version isn't updated to the most recent one. The steam workshop mod is, I think, the most supported.

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Guest
Guest

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HotShot217
HotShot217

First of all I'd like to say that this is an amazing mod and I play it all the time. Second, could you please make SMGs and LMGs available in the personal arsenal? I'd really appreciate it, thanks!

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VynalDerp
VynalDerp

They are. You may have to have a module or something to add all the OPTRE weapons and such.

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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

A fantastic fan trailer made by Daemonist: Youtube.com

Aug 21 2018

We've just released an update for Operation: TREBUCHET. You can find it here: Reddit.com @Arma3official @Halo

May 8 2018

We've been featured in a Halo Waypoint Community Update (see: It's Not a Catapult). You can check it out here:… T.co

Apr 26 2018

We've just released an update for Operation: TREBUCHET. You can find it here: Reddit.com @Arma3official @Halo

Jan 13 2018

We just published a new UPLINK @arma3official @Halo Reddit.com

Oct 16 2017

We just published a new UPLINK with some details for the next update. @Arma3official @Halo Reddit.com

Oct 4 2017

We've just released an update for Operation: TREBUCHET. You can find it here: Reddit.com

Aug 1 2017

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