Cepheus Protocol

The Battle of Half Moon Bay

A few times each week, our developers host public multiplayer sessions where we jump into the chaos ourselves—testing, refining, and showcasing the true state of the game. These sessions are open for everyone to join, chat, and experience the evolving sandbox that Cepheus Protocol Multiplayer and Singleplayer has become.

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The Battle of Half Moon Bay

This particular session started with twelve players splitting into multiple fireteams, each setting up forward operating bases (FOBs) across the city. One team established their base in the center, another fortified the soccer field, while a third entrenched themselves near the construction site. Once Chelseys location was discovered, the teams coordinated to divide the map—back-capping the right side and containing her forces to the left.

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The first major engagement came at the soccer field, where Chelseys infected army launched repeated assaults. Waves of brutes and juggernauts clashed against entrenched defenses while operators and RTS-controlled infantry fought street-to-street. When Chelsey shifted her focus toward the Bayfront Administration Center, the central fireteam held firm, repelling the push and stabilizing the front lines.

Meanwhile, Moro’s team conducted daring hit-and-run strikes deep in infected territory—keeping Chelsey off balance and forcing her to defend on multiple fronts. A few close calls nearly broke our lines, but through coordinated air support and precision strikes, we turned the tide. Soon after, our combined forces launched a decisive counteroffensive that pushed her back to the import-export district.

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The Final Push

At the climax of the battle, Chelsey unleashed everything she had—massive infected hordes, explosive variants, and juggernauts charging the southern front. The push almost succeeded, but a quick call for reinforcements from Ford’s squad brought helicopters and operators roaring across the skyline. The ground units regrouped for a final unified assault, sweeping across the neighborhoods toward the lighthouse and satellite communications sectors.

In a storm of gunfire, missiles, and chaos, we finally pushed Chelseys forces back into the sea—securing a hard-fought victory. The battle ended with every surviving player lined up across the pacified coastline for a well-earned group screenshot.

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A Milestone Moment

This match marked one of our most successful multiplayer playtests yet—no crashes, minimal bugs, and over 90 minutes of pure, unscripted RTS/TPS mayhem. You can watch the full 1 hour and 28 minute playthrough below. Every week, sessions like this bring us closer to the vision of what Cepheus Protocol is meant to be: an RTS unlike anything else in the genre—alive, unpredictable, and built on the stories that emerge when real players face impossible odds together.

Thank you for your continued support as we rebuild Cepheus Protocol from the ground up. Every match, every bug fix, and every chaotic moment helps shape the future of the game.

https://youtu.be/WyXZH2zAgYo

How to Opt In

Here’s how to opt into the Cepheus Protocol public playtest on Steam:

  1. Open Steam and go to your Library.

  2. Right-click Cepheus Protocol and select Properties.

  3. In the left panel, click on Betas.

  4. From the dropdown menu, choose public-playtest.

  5. Close the window. Steam will automatically begin downloading the playtest branch.

Once the download is finished, you’ll be running the public playtest version.

Recap for those late to the party

https://store.steampowered.com/news/app/979640/view/537736957039477252https://store.steampowered.com/news/app/979640/view/537735054151909377