Cepheus Protocol overview

Overview

Cepheus Protocol comes from Halcyon Winds and is published by Halcyon Winds. It arrived on Steam on May 15, 2020, and it sits naturally among Single-player, Multi-player, MMO, Co-op, Online Co-op, Steam Achievements, Steam Trading Cards, and Steam Workshop. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Cepheus Protocol's latest SteamPulse observation recorded 51 players at 7 October 2026 - 17:51:33 UTC, with a tracked peak near 242. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 75% positive across 3,734 reviews.

Language and system requirements

Cepheus Protocol is available in 9 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Cepheus Protocol has sold up to 113,000 units and has 2,985 Steam recommendations. The estimated VGI revenue is $1,600,000. On Twitch, 0 streamers are live with around 0 total watchers.

Cepheus Protocol overview details

Cepheus Protocol combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

Special Announcement: Opt Into Cepheus Protocol Experimental Builds Be the first to experience cutting-edge features and updates by opting into Cepheus Protocol branch Experimental Builds ! What You'll Get: Early access to new gameplay mechanics, systems, and features. A chance to provide feedback that shapes the future of Cepheus Protocol. A sneak peek at upcoming content and improvements before they hit the main build. How to Opt-In: Buy/Own the Base Game of Cepheus Protocol Go to your Steam Library. Right click and go to properties Go to Game Version & Betas and choose experimental Install and have fun! About the Game An Open World RTS Military Survival Game. Command CERC (Center for Epidemic Research and Control) to stop a pandemic-level event from consuming the Bay Area. The Pangu Virus threatens humanity as it spreads, turning native inhabitants into infected, relentless swarms. Can you adapt, survive, and reclaim control? Hardcore RTS Military Combat Meets Survival Horror Aircraft Carrier Operations Your mobile base of operations in Pandemic Mode. If it’s destroyed, you lose. Defend it at all costs and utilize Winters, now a rebuildable hero, to lead your forces. A New Threat Rises Battle infected hordes that can infect and turn your own units. Command land, sea, and air forces to hold the line in this unforgiving world. Co-Op Multiplayer up to 16 players in true RTS/TPS hybrid combat! Share control of CERC operations with up to 16 players. Pool resources, coordinate tactics, and fight as a team against the infection. Dynamic Gameplay Systems Command…

SteamPulse editorial summary

Cepheus Protocol is listed as a game with $15.99 (20% off from $19.99). It supports Windows, belongs to Single-player, Multi-player, MMO, Co-op, Online Co-op, Steam Achievements, Steam Trading Cards, and Steam Workshop, and is associated with Action, Adventure, Indie, Massively Multiplayer, and RPG. SteamPulse's latest observation records 51 players at 7 October 2026 - 17:51:33 UTC, a tracked peak of 242, and 75% positive reviews.

Overview tags

SandboxZombiesRTSSurvivalPost-apocalypticBuildingStrategyGoreOpen WorldSingleplayerDiplomacyIndieActionTacticalEarly Access

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.