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Steam app 2445840 · updated 12 Sep 2026, 20:59 UTC

Annulus

Annulus is a unique dark fantasy tactical game! You will play the role of the head of a mercenary regiment, constantly collect and cultivate resources such as mercenaries and weapons with unique attributes, and create their own mercenary regiment. Survival and glory, the battle is endless!

Annulus Steam header artwork
NIRVANANIRVANA
26playing now
4824-hour peak
464all-time peak
27average, last 30 days

The last 30 days

+0.7Gain+2.49%% gain57Peak

713 hourly samples, with the daily peak drawn over them. Weekends are shaded.

01531466213 Aug18 Aug23 Aug28 Aug02 Sep07 Sep12 SepThursday 13 August 202614 peakFriday 14 August 202647 peakSaturday 15 August 202643 peakSunday 16 August 202644 peakMonday 17 August 202649 peakTuesday 18 August 202646 peakWednesday 19 August 202641 peakThursday 20 August 202652 peakFriday 21 August 202641 peakSaturday 22 August 202639 peakSunday 23 August 202645 peakMonday 24 August 202644 peakTuesday 25 August 202656 peakWednesday 26 August 202647 peakThursday 27 August 202642 peakFriday 28 August 202646 peakSaturday 29 August 202647 peakSunday 30 August 202644 peakMonday 31 August 202647 peakTuesday 01 September 202652 peakWednesday 02 September 202653 peakThursday 03 September 202647 peakFriday 04 September 202649 peakSaturday 05 September 202646 peakSunday 06 September 202641 peakMonday 07 September 202640 peakTuesday 08 September 202645 peakWednesday 09 September 202657 peakThursday 10 September 202647 peakFriday 11 September 202653 peakSaturday 12 September 202648 peak
Daily peakEvery hourly sample

All time

6 months, April 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

0125251376501Apr 2026May 2026Jun 2026Jul 2026Aug 2026Sep 2026April 2026464 monthly peakMay 2026161 monthly peakJune 202695 monthly peakJuly 202676 monthly peakAugust 202656 monthly peakSeptember 202657 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

021416282July 2026August 2026September 2026October 2026July 202676 peak — daily detail belowAugust 202656 peak — hourly detail belowSeptember 202657 peak — hourly detail below
Monthly peakHas finer data

July 2026

31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

02141628201 Jul06 Jul11 Jul16 Jul21 Jul26 Jul31 JulWednesday 01 July 202676 peakThursday 02 July 202660 peakFriday 03 July 202661 peakSaturday 04 July 202663 peakSunday 05 July 202652 peakMonday 06 July 202653 peakTuesday 07 July 202657 peakWednesday 08 July 202662 peakThursday 09 July 202652 peakFriday 10 July 202664 peakSaturday 11 July 202652 peakSunday 12 July 202654 peakMonday 13 July 202656 peakTuesday 14 July 202658 peakWednesday 15 July 202672 peakThursday 16 July 202657 peakFriday 17 July 202662 peakSaturday 18 July 202659 peakSunday 19 July 202657 peakMonday 20 July 202651 peakTuesday 21 July 202656 peakWednesday 22 July 202647 peakThursday 23 July 202656 peakFriday 24 July 202647 peakSaturday 25 July 202647 peakSunday 26 July 202657 peakMonday 27 July 202646 peakTuesday 28 July 202650 peakWednesday 29 July 202650 peakThursday 30 July 202646 peakFriday 31 July 202645 peak

August 2026

31 days as the curve, each the highest figure that day. Behind it, 430 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.

01530456001 Aug06 Aug11 Aug16 Aug21 Aug26 Aug31 AugSaturday 01 August 202642 peakSunday 02 August 202651 peakMonday 03 August 202641 peakTuesday 04 August 202647 peakWednesday 05 August 202651 peakThursday 06 August 202647 peakFriday 07 August 202642 peakSaturday 08 August 202646 peakSunday 09 August 202648 peakMonday 10 August 202640 peakTuesday 11 August 202644 peakWednesday 12 August 202656 peakThursday 13 August 202647 peakFriday 14 August 202647 peakSaturday 15 August 202643 peakSunday 16 August 202644 peakMonday 17 August 202649 peakTuesday 18 August 202646 peakWednesday 19 August 202641 peakThursday 20 August 202652 peakFriday 21 August 202641 peakSaturday 22 August 202639 peakSunday 23 August 202645 peakMonday 24 August 202644 peakTuesday 25 August 202656 peakWednesday 26 August 202647 peakThursday 27 August 202642 peakFriday 28 August 202646 peakSaturday 29 August 202647 peakSunday 30 August 202644 peakMonday 31 August 202647 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.

01531466201 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 202652 peakWednesday 02 September 202653 peakThursday 03 September 202647 peakFriday 04 September 202649 peakSaturday 05 September 202646 peakSunday 06 September 202641 peakMonday 07 September 202640 peakTuesday 08 September 202645 peakWednesday 09 September 202657 peakThursday 10 September 202647 peakFriday 11 September 202653 peakSaturday 12 September 202648 peak

October 2026

Annulus was released on 8 Apr, 2026.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Free to playUpdated 12 Sep 2026, 20:59 UTC
App ID
2445840
Last updated
10 Sep 2026 build 25222686
Developer
NIRVANA
Publisher
NIRVANA
Release date
8 Apr, 2026
Platforms
Windows
Download size
10.50 GB
Install size
11.05 GB
Genres
Adventure, RPG, Simulation, Strategy, Free To Play
Game modes
Single-player
Controller support
Unknown
Third-party account
QuickSDK (Supports Linking to Steam Account)

Features & support

Steam features

Family Sharing

Controllers & input

Accessibility

Popular tags

StrategyBoard GameTurn-Based TacticsTactical RPGTurn-Based StrategyMedievalCard BattlerDeckbuildingRPGDarkCinematicSouls-likeDragonsFemale ProtagonistStylizedAdventureAtmosphericVRParty-Based RPGStrategy RPG
About this gameFull description from Steam
Annulus is a dark-fantasy tactical strategy game, inspired by medieval knightly warfare. Blending dark fantasy elements with an epic, grand-scale worldbuilding approach—and powered by the stunning visual capabilities of Unreal—it delivers a breathtaking visual experience.     In the game, you take on the role of a mercenary captain, collecting and training mercenaries, weapons, and various resources, each with their own unique traits. Build your own mercenary legion and battle across the turbulent continent of Novisess—for survival, for glory, and to break free from the fate imposed by the world’s rules. the battle is endless!     Inspired by the gritty, hard-edged warfare of the medieval era and infused with classic Lovecraftian visual elements, the game delivers a distinct dark-fantasy tactical experience. Built with Unreal Engine and enhanced by cinematic narrative CGs, it presents a sweeping, dramatic storyline that immerses players in an age of clashing steel, turmoil, and shadowed darkness.     As mercenaries level up and advance, their forms, attributes, and skills evolve accordingly. Several main characters even gain entirely new forms—shaped by their narrative backgrounds—featuring striking designs and powerful visual impact. These evolutions unlock more elaborate skill effects, while their exclusive “character auras” further challenge players to master formation strategy and maximize overall team strength.     Across the turbulent continent of Novisess, the three major races—Orcs, Elves, and Humans—have given rise to countless uniquely designed mercenaries. Through flexible combinations of inscriptions, classes, weapon skills, and more, players can develop a variety of specialized playstyles such as collision, knockback, tanking, decay, and others. Recruit and train distinctive mercenaries, then adapt your unit compositions and skill synergies to meet different battlefield needs and secure victory.     Players will encounter a variety of combat effects triggered by random weather and elemental interactions. Terrain, day–night cycles, vegetation, and other environmental details directly influence mercenary performance on the battlefield. Meanwhile, the “Contamination Value” system adds impactful buffs and debuffs, enhancing immersion and unpredictability—putting players’ tactical decision-making to an entirely new test.     Beyond the grand and far-reaching main storyline, the game offers a web of intricate side tales. Every choice you make can shift the direction of the narrative—and may even trigger entirely new “battle events,” deepening the medieval fantasy immersion.The world map is filled with exploration points where you can dispatch your squads: venture into eerie forests, traverse treacherous mountain passes, and overcome life-or-death trials. Countless rare resources across the continent await the fearless mercenaries who dare to claim them.     From grand, atmospheric environments to realistic weather effects and subtle lighting across every map, the visuals have undergone multiple rounds of refinement to bring a rich medieval world to life.     All in-game music, sound effects, and voiceovers are originally composed and produced by a professional audio team. Every detail has been carefully polished so you can fully immerse yourself in your journey across Noviseth and enjoy the best gameplay experience possible. Instructions:Portions of this game's artwork and narrative text were created with assistance from generative AI tools including Midjourney and GPT. AI-generated content served as preliminary drafts only and underwent comprehensive manual revision, refinement, and copyright verification by the development team to ensure compliance with platform policies and freedom from infringement. The game contains no real-time AI-generated content; all assets presented to players are pre-generated final versions that have been reviewed and approved.
Content & age ratings2 regional ratings

Regional ratings

DEJUS12Linguagem imprópria · Violência
IGRS15Rokok dan/atau rokok elektronik, minuman beralkohol, narkotika, psikotropika, dan/atau zat adiktif lainnya · Kekerasan · Penggunaan bahasa
System requirementsMinimum and recommended hardware

Minimum

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 SP1 64-bit,Windows 8.1 64-bit,Windows 8 64-bit Processor: Intel Core i3 4th 或 AMD Ryzen 3 Memory: 6 GB RAM Graphics: NVIDIA GeForce GTX 660 OR AMD Radeon HD 7870 DirectX: Version 11 Network: Broadband Internet connection Storage: 15 GB available space Additional Notes: No Mac or Linux clients are currently available

Recommended

Recommended: Requires a 64-bit processor and operating system OS: Windows 10 64-bit Processor: Intel Core i5 4th OR AMD Ryzen 5 2.8Ghz Or Higher Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 1060 OR AMD Radeon RX 480 DirectX: Version 11 Network: Broadband Internet connection Storage: 32 GB available space

macOS

Minimum: Recommended:

Linux

Minimum: Recommended:
Supported languages3 languages
LanguageFull audio
English
Simplified Chinese●
Traditional Chinese●

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

47 developer announcements, Nov 2025 to Sep 2026 · times in UTC

September

  1. Maintenance Update (September 9, 2026, 14:00–20:00 UTC+8)

    Dear Captains,To improve the game experience, Annulus will undergo version maintenance across all servers from 14:00 to 20:00 on September 9, 2026 (UTC+8).The game will be unavailable during maintenance. To ensure your account data remains…

    ooh

August

  1. Maintenance Update (August 12, 2026, 14:00–20:00 UTC+8)

    Dear Captains,To improve the gameplay experience, Annulus will undergo version maintenance across all servers from 14:00 to 20:00 on August 12, 2026 (UTC+8).The game will be unavailable during maintenance. To ensure your account data…

    Hong

July

  1. Live Update Notice

    Dear Captains,To improve your gameplay experience, Annulus will deploy a live update at 14:00 on July 29, 2026 (UTC+8), with no server downtime required. Once the update is available, please restart the game to complete it. Details are as…

    Patch notes
  2. Update Notice

    Dear Captains,To optimize the game experience, Annulus will undergo version maintenance across all servers from 14:00 to 20:00 on July 15, 2026 (UTC+8).The game will be inaccessible during maintenance. To ensure your account data remains…

    派大匪、King
  3. Maintenance Update

    Live Update NoticeDear Captains,To improve the game experience, Annulus deployed a live update without server downtime at 14:00 on July 9, 2026 (UTC+8).Details are as follows:FixesFixed an issue with the Battle Glory image in the English…

    Patch notes

June

  1. Update Notice

    Maintenance UpdateDear Captains,To improve the game experience, Annulus will undergo a version maintenance update for all servers from 14:00 to 20:00 on July 1, 2026(UTC+8).You will be unable to log in during the maintenance. To ensure your…

    派大匪、King
  2. Update Notice

    Maintenance UpdateDear Captains,To optimize the game experience, Annulus will undergo version maintenance across all servers from 14:00 to 20:00 on June 17, 2026 (UTC+8).The game will be inaccessible during maintenance. To ensure your…

    派大匪、King
  3. Update Announcement

    Maintenance Update Notice (June 3, 2026 - UTC+8)Dear Captains,To optimize the gameplay experience and fix known issues, Annulus will undergo maintenance from June 3, 2026 14:00 to 16:00 (UTC+8). During maintenance, the game will be…

    Patch notes

May

  1. Game Update Announcement

    Maintenance UpdateDear Captains,To optimize the gameplay experience and fix known issues, Annulus will undergo temporary maintenance at 22:00 (UTC+8) on May 29, 2026. The maintenance is expected to last about 30 minutes.During the…

    Patch notes
  2. Live Update Notice

    Dear Captains, To optimize your gaming experience and fix known issues, Annulus will receive a live update. Please restart the game to apply the changes. Compensation will be distributed via in-game mail.Bug Fixes: - Fixed the abnormal…

    Patch notes
  3. Update Announcement

    Maintenance Update (May 20, 2026, 4:00–11:00 UTC+8)Dear Captain,To improve your gameplay experience, Annulus will undergo a maintenance update on May 20, 2026, from 4:00 to 11:00 (UTC+8).The game will be inaccessible during maintenance.…

    派大匪、King
  4. 【New Server Launch Announcement】

    The Wheel of Fate turns once more as a brand-new battlefield is about to unfold!Every decision you make will reshape destiny itself!⚔️ Annulus will officially launch the new server 【AP-Turfotung】 (Asia Server) on May 20, 2026.Captains…

    Hong
  5. Live Update (May 13, 2026, 21:50 UTC+8)

    Dear Captains,Annulus has received a live update at 21:50 (UTC+8) on May 13, 2026. This update takes effect immediately and does not require restarting the game.Bug Fixes- Fixed an issue where the Tactical Archive could not be accessed.—…

    Patch notes

April

  1. Maintenance Update – April 30, 2026, 16:15 (UTC+8)

    Dear Captains,To improve your gaming experience, Ring War will undergo a server-wide update on April 30, 2026, at 16:15 (UTC+8). The update takes effect immediately without requiring a game restart.Update Contents:Fixed an abnormal…

    Patch notes
  2. Maintenance Update (April 29, 2026, 11:00-15:00 UTC+8)

    Dear Captains,To improve the game experience, Annulus will undergo scheduled maintenance on all servers from 11:00 to 15:00 (UTC+8) on April 29, 2026. During the maintenance, you will not be able to log into the game. Please finish any…

    Patch notes
  3. Server Open Announcement

    Dear Captains, The issue encountered during the previous maintenance has been successfully resolved, and the servers are now officially open.As an apology, we are sending Acid Soft Drink ×10 to each Captain. Please claim it from your…

    Patch notes
  4. Maintenance Extension Notice

    Dear Captains, During today's update, we've encountered an issue that needs to be addressed before we can bring the servers back online. As a result, the maintenance will be extended by approximately 3 hours. If we're able to resolve the…

    Patch notes
  5. Maintenance Update (April 22, 2026, 4:00–9:00 UTC+8)

    Dear Captains,To improve your gaming experience, Ring of War will undergo a scheduled maintenance update on April 22, 2026, from 4:00 to 9:00 (UTC+8).During maintenance, the game will be inaccessible. Please finish any ongoing battles…

    Patch notes
  6. Event Preview: New Chosen Ones “Sonia” & “Locke” Arrive!

    After the April 22 (UTC+8) update, two brand-new Chosen-tier companions will join the Featured Recruitment Banner in Annulus: Sonia, the Golden Rose Knight, and Locke, the Trickster.Will they fight side by side—or stand as rivals with…

    Patch notes
  7. 📢 International Server Downtime for Update Announcement

    Dear Captains, Thank you for your continued feedback and support. Maintenance was carried out on April 18, 2026, 18:30 – 20:30 (UTC+8). We sincerely apologize for the recent issues and appreciate your patience. The following fixes and…

    Patch notes
  8. Maintenance Update

    Update Contents: Temporarily disabled the attendance aura effect of "Shrike" Wendy to reduce blocking/crashing issues during auto-battle in stages (to be fully restored in the next "V1.1 Full Package Update"). Fixed an issue on mobile…

    Patch notes
  9. 📢 Update Maintenance Notice

    Maintenance: April 16, 2026, 10:00 – 12:00 (Beijing Time)Type: Server DowntimePlatforms: iOS, Google Play, Steam⚠️ Temporary AdjustmentTemporarily disabled the Attendance Aura of "Shrike" Mindy Gawkes to reduce crashes during auto-battle. →…

    Patch notes
  10. Annulus Post-Launch Fix & Update Notice

    Dear Commanders,Since the launch of Annulus, we have received a large amount of valuable feedback from players around the world. First and foremost, we sincerely apologize to everyone who experienced issues during gameplay, and we truly…

    Patch notes
  11. Maintenance Extended – Sincere Apology + Additional Compensation

    Hey Captains,We owe you an honest explanation and another apology.The maintenance was originally scheduled to end at 20:00 (UTC+8) today (April 11), then extended to 08:00 (UTC+8) on April 12.Now we need to confirm that the maintenance will…

    Patch notes
  12. Maintenance Extended Again – Sorry + Another Compensation Mail

    Hey Captains,We have more bad news. The maintenance was supposed to end at 08:00 (UTC+8) today (April 11) after the first extension, but unfortunately we need to extend it another 12 hours.New estimated completion time: 20:00 (UTC+8) on…

    Patch notes
  13. [Maintenance Extension Notice]

    Dear Commanders,We regret to inform you that the server maintenance originally scheduled to end at April 10, 20:00 (UTC+8) will need to be extended by an additional 12 hours due to unexpected issues encountered during the process.New…

    Patch notes
  14. Game Update & Patch Notes

    Dear Commanders,Thank you for your continued support and love for Annulus. We are dedicated to providing you with a smoother and more immersive gaming experience.This update focuses on optimizing text presentation and fixing specific weapon…

    Patch notes
  15. Update Compensation

    Dear Commanders,We sincerely apologize for the issues that occurred following the launch of Annulus. We understand that these problems have impacted your experience, and we are actively working to identify and resolve them as quickly as…

    Patch notes
  16. Bug Fix Notice

    We've fixed an issue where players would receive a sensitive word warning after confirming their name input, preventing them from successfully creating a name.This issue has now been resolved. You should be able to set your name normally…

    annulus
  17. 🌍 Annulus – Global Launch Announcement

    Commander. Assemble. The cycle begins soon.The dark fantasy tactical RPG Annulus officially launches worldwide! Prepare your mercenaries and step into the war-torn continent of Novisess.🕘 Global Release TimeApril 8, 2026 • 9:00 AM (PT)April…

    annulus

March

  1. Annulus Demo Update – New Content & Improvements

    Dear Commanders, After the Demo test of "Annulus" on Steam is completed, we’ve received a huge amount of valuable feedback and suggestions from all of you. Thank you to every player who participated in the test and shared your thoughts with…

    annulus
  2. Annulus Launching Worldwide,Rise, Commander.

    Rise, Commander.We’re excited to announce that Annulus will officially launch worldwide on April 8, 2026.Gather your companions, prepare your strategy, and step onto the battlefield.🕘 Global Release TimeApril 8, 2026 • 9:00 AM (PT)April 8…

    annulus
  3. Annulus Steam Demo Test — End of Service Announcement

    Commanders,The Annulus Steam Demo test will officially conclude at:- Pacific Time (PT): March 3, 6:00 PM- China Standard Time (CST): March 4, 10:00 AMAfter this time, the Demo will no longer be available for download or play. All test…

    annulus
  4. [Marching Tactics] Rainy Weather Marching Tactics

    The weather on the continent of Novicesse is highly unpredictable—clear skies one moment, and raging storms the next.Such volatile conditions can hinder troop movements, but to a perceptive commander, the abundant water element brought by…

    annulus

February

  1. Game Patch Notes

    Hello Commanders, We’ve fixed an issue that could cause occasional stuttering or brief freezes during gameplay. Thank you for your reports. Please let us know if you encounter any further problems.— The Annulus Team

    Patch notes
  2. Demo Test Announcement

    Commanders, The cycle begins anew. The battlefield awakens once more.The dark fantasy tactical game Annulus is launching a limited-time Demo test on Steam, available to all strategy players as part of Steam Next Fest.This is a wipe test…

    annulus
  3. Annulus arrives at Steam Next Fest.

    In a world bound by war and decay,only those who dare to challenge fate will endure.Command your mercenary company.Rewrite fate through strategy and steel.Annulus arrives at Steam Next Fest.🗓 Feb 23 – Mar 2, 2026 (PT)Wishlist & Play during…

    annulus

January

  1. Playtest End Announcement, Thank You,Pioneers!

    Dear Commanders, The limited-time playtest for Annulus will officially end soon. Our servers will be shut down on January 30th, 2026 at 2:00 AM Pacific Time (PT), and all playtest data will be wiped. Please refer to the following times…

    annulus
  2. [The Art of Battle]: Weapon Counters

    On the battlefields of the Novicesse Continent, beyond the influence of terrain, true command lies in sound strategy, proper mercenary deployment, and the full utilization of each unit’s abilities. These commanding techniques are…

    annulus
  3. Playtest Announcement,Recruit the Vanguard!

    Dear Commanders,After countless days and nights of development, Annulus is finally ready to meet you. The Playtest is about to begin, and we sincerely invite you to become one of our first “Vanguard Testers”—to step onto the continent of…

    annulus
  4. The “Land of Greed” of the Novices Continent — Baraigne

    “Land of Greed” — BaraigneOn this barren land in the north, another group of exiles from the Old Continent struggles to survive. The eternal glaciers and frozen tundra of the far north leave little hope for life, forcing the survivors to…

    annulus
  5. 【Chronicles of Novisess】A Turbulent Epic of a War-Torn Age

    ——This is the land where surviving lambs wander in exile, a breeding ground for war fed by desire.Novisess, a continent divided by the Dernahir Mountains and the Escara River. Thousands of years ago, survivors of catastrophe found refuge…

    annulus

December

  1. Annulus Steam Playtest Update & Community Event

    Hello everyone,We’d like to share an update regarding the upcoming Annulus Steam Playtest, along with a community event we’ve prepared for you.Previously, we announced plans to host the playtest in December. As development has progressed…

    annulus
  2. Reconstruction and Aberration: When thought is carved into stone and flesh

    Hello everyone, I'm the producer of Annulus.We've previously discussed why this game is called 'Annulus'—a worldview centred on rings, layers, and cycles.This time, I'd like to introduce you to a more 'bizarre' aspect of our…

    annulus
  3. The First March

    Green-Tier MercenariesTraits:• Easy to obtain, low development cost, ideal for early-game team building• Simple weapon-triangle interactions• Remain useful later as tactical substitutes, fusion materials, or lineup fillersQuick Rules…

    annulus

November

  1. Design Concept

    Hi everyone, I’m the producer of Annulus. I’ve wanted to start this series for a long time—we want to share our thoughts on “why we designed things this way” with you, honestly. Let's begin with the name:Why ''Annulus''?''Annulus''…

    annulus
  2. New Journey Begins

    Commanders, greetings!I am the Producer of Annulus.Today, we wish to announce two matters formally:🎉The Annulus Steam store page is now live🔥We shall commence a new round of testing in DecemberThis signifies that the day we truly stand…

    annulus

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