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Watch trailer on Steam ↗Black One Blood Brothers
Helios Studio · Published by Helios Studio · Official site ↗
Content notice: This Game may contain content not appropriate for all ages, or may not be appropriate for viewing at work: Frequent Violence, General Mature Content.
Mostly Positive — 78% positive (1,482 reviews) · 200 achievements
Last updated 27 Sept 2026
Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Command a squad of top operators, with unique skills, through high-risk missions around the globe. Customize your crew, plan your missions, and adjust on the fly for a vast replayability.
£13.99
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Price history
Action, Indie, Simulation, Strategy, Early Access · 2022 · More £5 - £15 games
Command a squad of skilled operators in Black One Blood Brothers, where strategic planning meets intense combat. Each mission presents unique challenges requiring quick thinking and coordination among your team.
About this game
Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Joining the "Black One" unit, you become part of an elite force comprised of top operators from around the globe. Operating independently of any government, this unit works from the shadows, free from political games and diplomatic constraints. As the leader of this squad, you're tasked with executing complex missions where every decision could mean the difference between life and death.
During the adventure offered in the campaign mode through Operation "Serpent's Whisper", the story kicks off in response to the insurgent group "New World," which has launched devastating attacks across the globe within days. Your mission is to neutralize this threat and trace the funding behind these attacks through 20 increasingly challenging missions. Be advised, the loss of an operator is permanent!
Developed in collaboration with a former French Special Forces Commando Marine, "Black One Blood Brothers" stands out for its demanding and immersive gameplay. Command a squad of 10 operators, each with unique skills, and seamlessly switch between them to leverage their specialties in either first-person or third-person view. Success hinges on meticulous planning, optimal equipment management, and teamwork.
Implement precise action sequences for each squad member using a complex yet intuitive "Battle Plan" system. Organize your forces into multiple teams, coordinate their movements, and devise custom tactics to tackle any situation, or switch to real-time command with "Quick Orders" for dynamic decision-making.
Undertake high-risk missions including target neutralization, hostage rescue, bomb defusal, and retrieval of secret documents.
Customization is at the heart of "Black One Blood Brothers." Build your squad from the ground up, selecting each member's skills and arming them with the finest arsenal.
With a variety of game modes (Dynamic campaign, Spec Ops, War, POW, Siege, Lone Wolf, Blind Ops) and a powerful, user-friendly map editor, "Black One Blood Brothers" offers vast replayability. Customize your missions, adjust difficulty, select your battlefields, and share your creations with the community through the Steam Workshop.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: 64-bit Windows 10, 64-bit Windows 11
- Processor: Intel Core i5-8400, AMD Ryzen 5 2600
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1060 (6GB), AMD Radeon RX 580
- DirectX: Version 11
- Storage: 45 GB available space
- Additional Notes: SSD Hard Disk recommended
Recommended
- Requires a 64-bit processor and operating system
- OS: 64-bit Windows 10, 64-bit Windows 11
- Processor: Intel Core i7-13700K, AMD Ryzen 7 7800X3D
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce RTX 4070, AMD Radeon RX 7800 XT
- DirectX: Version 12
- Storage: 45 GB available space
- Additional Notes: SSD Hard Disk recommended
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
Update 2.15 - Preview
Attention, Operators.The next major update is just around the corner. Here’s everything you need to know about what’s coming.Thank you for all your feedback. It has helped Helios continue improving the game while introducing new features and content you’ve been asking for.1. Overall ImprovementsHelios continues to improve the overall experience. Staying true to the realism and immersion that define Black One Blood Brothers, Operators who want to completely remove the HUD and on-screen indicators will now be able to navigate using the tactical phone and access mission information directly through this diegetic interface.Improvements have also been made to weapon sights, particularly sniper scopes, while issues affecting accessory placement on certain weapons have been fixed.Operators will now attempt to protect wounded teammates by deploying smoke grenades to provide cover.More improvements and changes will be detailed in the final patch notes.2. New Map: Kozol-Tai MountainsStep into the lush wilderness of the Kozol-Tai mountain range.Make your way through the jungle, but stay alert: enemies can be scattered throughout the environment and difficult to spot among the dense vegetation.This massive map offers something for every playstyle. Its wide-open areas encourage long-range engagements, while other sections create opportunities for intense close-quarters combat. The terrain and waterways also open up new tactical routes and approaches for Operators to explore.New assets from Kozol-Tai Mountains will also be added to the Map Editor, and we hope they’ll inspire our creators!3. New Weapons & EquipmentWe know how much you care about the arsenal at your disposal.This update introduces new equipment, new weapons, and new customization options for your Operators. With a new assault rifle, SMG, revolver, and two sniper rifles, along with their respective attachments, the arsenal continues to grow and give you even more ways to tailor your loadout and gameplay.And don’t wo...Read full article on Community Announcements (NoAimGirlKane)AnnouncementsOfficial
Helios Drop #3 - A small glimpse of September
Greetings, Operators!I hope that you’re having a great summer. While it’s always a great time to disconnect and come back with renewed energy, I’m still having a busy break, with the September update in my mind. Here’s a few things that you can expect, among other things. And, given the requests and suggestions on the Discord, I believe that a lot of you will enjoy these new gears! Of course, stay tuned for more: the future is bright for the game. Until then, stay safe, and thank you for your support. Helios, out.Read full article on Community Announcements (NoAimGirlKane)AnnouncementsOfficial
Summer break is here!
Greetings, Operators,Summer has arrived, and with the heatwave comes the perfect opportunity to look back at the first half of 2026.The migration to Unreal Engine 5.7 has been the game's biggest milestone so far, bringing a wide range of significant improvements. Black One Blood Brothers is now more visually impressive, more immersive, with enhanced graphics, improved AI, smoother animations, and better pathfinding for both allies and enemies. This transition also made it possible to introduce major gameplay features, most notably tactical swimming and ladders.And that's only the tip of the iceberg. Expanding your tactical possibilities, refining existing gameplay systems, and improving Black One Blood Brothers one step at a time is a long but exciting journey. The goal has always remained the same: to deliver an increasingly immersive and realistic experience while staying true to the game's identity as a tactical FPS. That's why every update will continue to focus on meaningful improvements, strengthening the existing foundations, and optimizing the overall experience. Your feedback remains invaluable in helping identify areas for improvement and shaping the future of Black One Blood Brothers.There is still plenty to come. Among the upcoming additions is a brand new way to navigate the battlefield, designed for milsim enthusiasts who want to play without any on-screen interface through the tactical mobile device. A picture is worth a thousand words, but this is only one of the new features coming in the next update.The next update is currently planned for September. We'll reveal everything it contains when the time comes. Until then, it's time for a short summer break. A productive one, though, because I can't wait to show you what's next for Black One Blood Brothers.See you soon, enjoy your holidays if you're taking some, and have a fantastic summer!Helios & KaneRead full article on Community Announcements (NoAimGirlKane)AnnouncementsOfficial
BTS - Part 2 - Rethinking Level Design After the Migration
New Tools, New Tactical PossibilitiesGreetings, Operators. You enjoyed Helios' overview of the philosophy and vision behind Black One Blood Brothers' level design, so here's the second and final part. This time, let's explore how the migration to Unreal Engine 5.7 has impacted the game's level design.The migration to Unreal Engine 5.7 unlocked new possibilities and tactical tools for map design, including the addition of swimming and ladders, two features that had been highly requested by the community. These additions also required major underlying changes, because introducing more verticality and depth into level design means reworking the AI, pathfinding, and animation systems as well. The goal is to deliver new gameplay possibilities while maintaining an AI that feels coherent and immersive, capable of navigating these new environments naturally.Learning From Past MapsChanging level design is never a simple process. Since the beginning of development, many maps have been improved or completely rebuilt. "My biggest mistake was probably creating areas that were sometimes too large or too ambitious at first. On paper, a huge map sounds exciting, but if it isn't tactically dense enough, it can end up feeling empty or exhausting. I've learned that a great map isn't necessarily the biggest one, it's the one that offers the best tactical decisions. Since then, I've preferred making maps denser and better rather than simply making them bigger."Designing Better Tactical SpacesOne of the key principles of designing a great FPS map is offering more than one viable solution while finding the right balance between realism, gameplay, and fun. There's also Black One Blood Brothers' procedural design philosophy to consider. While each map contains fixed landmarks that experienced tacticians can learn and rely on, mission objectives are procedurally generated, ensuring that every deployment feels fresh and constantly encourages players to adapt.The Importance of PolishFinally co...Read full article on Community Announcements (NoAimGirlKane)Patch NotesOfficial
Update 2.10e: Improvements
- Improvement: Arm and weapon movement while aiming- Improvement: Player movement transitions based on changes in movement speed- Fix: Player directional movement issues in certain cases- Fix: Backpacks disappearing when an operator was in water- Fix: Issue with electric lights flickering when malfunctioningRead full article on Community Announcements (Helios Studio)












