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Total War: ROME II - Caesar in GaulNewsPantheon Updates - First MARS Beta Now Available
Steam news

Pantheon Updates - First MARS Beta Now Available

Total War: ROME II - Caesar in Gaul · published 10 Sep 2026, 15:25 UTC

All newsPlayers around this dateRead on Steam

Hey folks,

The first MARS Beta for the Rome II - Pantheon Updates is now available to download and dive into.

Get the full details on everything that's changed in this Beta at the links below:

FIRST MARS BETA BLOG

MARS BETA PATCH NOTES

Here's how to opt-in:

How do I opt-in to a Beta and download it?

Once the Beta is live, you can opt-in and download the Beta branch on Steam by following the instructions below:

  1. Open your Steam client and go to your Library.

  2. Right-click on Total War: ROME II and select 'Properties'.

  3. Navigate to the ‘Game Versions & Betas’ tab.

  4. In the list, select ‘pantheon’

  5. Steam will then download the necessary files and begin the patching process to install the beta

The download is relatively small at 19.6 MB.Please note that the use of mods with the Beta can and will lead to unexpected results.

How do I share feedback?

  1. Download and play the pantheon beta on Steam using the steps above

  2. Share it on our forums in the dedicated area for it here.

  3. There are threads set up to gather feedback on specific areas, as well as a space for gathering bug reports.

What are you going to do with my feedback?

While the first beta is live I will be reading and gathering your feedback to make changes for the second MARS beta. No date yet on when that will be, as it will depend on what the feedback is and how many changes are needed.To those who do get involved, thank you in advance for taking part in the Beta!

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