Steam app 669330 · updated 25 Oct 2026, 18:40 UTC
Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.
717 hourly samples, with the daily peak drawn over them. Weekends are shaded.
43 months, May 2023 to November 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.
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.
23 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
30 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 567 hourly samples from 08 Oct, which is as far back as the source keeps every hour. Weekends are shaded.
7 days as the curve, each the highest figure that day. Behind it, 150 hourly samples. Each dip is a night. Weekends are shaded.
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A blank audio cell means full audio was not marked in the returned language list.
50 developer announcements, Jan 2026 to Oct 2026 · times in UTC
Greetings, Commanders! Following the launch of Update 2.0, we noticed a few issues related to server load. With the Steam Auto Battler Fest and a major update (featuring Expedition progress saving, many new items, and more) coming in…
Patch notesGreetings, Commanders!Following the release of Mechabellum 2.0, we’ve gathered a lot of incredibly useful feedback. The development of our next major update is currently in full swing. However, before rolling out our next major update, we…
Patch notesCommanders,In yesterday's 2.0.0.3 patch, an incorrect configuration related to the Star Expedition difficulty was accidentally pushed live. As a result, many players encountered extremely difficult enemy lineups that were originally…
Patch notesThis update primarily focuses on Centurion and the Star Expedition mode. We are taking a more cautious approach to the balance of Standard Versus, so further Standard Versus-related changes will be gradually implemented after we have…
Patch notesMechabellum 2.0 has been out for a week now! During this time, we have collected a lot of interesting suggestions and feedback about \ and \. Your feedback has been very inspiring. Many related new features are already in development, and…
Patch notesGreetings, Commanders!With the release of Mechabellum 2.0, featuring the new \ mode and the new \ unit, there has been a massive influx of new players joining and veterans returning. To express our gratitude for your incredible support…
Patch notesGreetings, Commanders!As Mechabellum approaches the 2nd anniversary of its official release, we are thrilled to bring you the largest update yet: Mechabellum 2.0!We've essentially packed an entire "New Game" into this major update…
蒸馒头Greetings, Commanders!As Mechabellum approaches the 2nd anniversary of its official release, we are thrilled to bring you the largest update yet: Mechabellum 2.0!We've essentially packed an entire "New Game" into this major update…
蒸馒头Standard Versus - Balance AdjustmentsSpecialistNew Specialist \: At the start of each round, gain 1 piece of random Small EquipmentCrawlerHP 263 → 250 (-5%)VortexAttack Interval 1.5s → 1.8sATK 1309 → 1570 (+20%)Equipment\: Cost 50 → 100…
Patch notesThis update includes a large amount of New Standard Versus Mode content that is still in testing. In the future, we will confirm whether to keep this content in the official 2.0 version based on test results.Standard Versus - New…
Patch notesStandard Versus - Balance AdjustmentsCenturion\: Required attacks to switch modes: 15 → 20; fully restores HP upon switching to melee mode.With \ activated, required attacks to switch to \ increase by 100%.Developer Note: We want the…
Patch notesThis update addresses multiple issues related to the difficulty in Star Expedition mode, which may result in difficulty changes. We are actively monitoring performance data and will continue fine-tuning the difficulty across different MMR…
Patch notesGreetings, Commanders!Mechabellum is about to celebrate the 2nd anniversary of its official release! We are thrilled to present the biggest update in the game’s history: Mechabellum 2.0.This massive update brings a wealth of fresh content…
Max ConductorMechabellum's 2nd Anniversary and Season 9 are arriving at the end of September. We expect to begin testing a variety of new Season 9 content on the Public Test Server starting from late next week. Meanwhile, we will continue to roll out…
Patch notesThis update is not compulsory. Please restart Steam to get the latest patch.BugfixesFixed an issue where moving the mouse cursor would cause severe framerate drops under certain conditions.
Patch notesAt the end of September, Mechabellum will be celebrating its 2nd Anniversary. We are currently hard at work developing new content for Season 9 and the anniversary celebration. Expect to hear more news from us in the coming weeks, including…
Patch notesBugfixesFixed an issue in Survival Mode that could cause data inconsistencyFixed an issue related to SandwormFixed an issue related to VortexFixed an issue where some Tech displayed incorrect range of effectFeedback & Bug ReportsFeel free…
Patch notesBugfixesFixed an issue related to AbyssFixed a visual issue related to TyphoonFixed a data error issue in Survival ModeFixed a data error issue in 4-Player Brawl MatchFixed the issue where the Rift Anomaly notification could not be turned…
Patch notesBalance AdjustmentsStormcaller\ ATK modifier +120% → +80%, missile HP modifier +250% → +200%Developer's Note: Currently, we are still collecting more balance data on \. Early data show that the strength of this Tech is unstable, sometimes…
Patch notesUpdate 1.11.1 will take place at 09:00 UTC (06:00 Eastern Daylight Time, 11:00 Central European Summer Time) on Thursday, July 9th, during which the server will undergo approximately 1 hour of maintenance. This update added a new Tech to…
Patch notesBugfixesFixed an issue related to Experimental Death Knell Tech \Fixed a visual issue related to the Map Forest EyeFixed a visual issue related to MustangFeedback & Bug ReportsFeel free to submit feedback, suggestions, or report bugs for…
Patch notesUpdate 1.11.0.2 will take place at 07:00 UTC (3:00 Eastern Daylight Time, 9:00 Central European Summer Time) on Thursday, July 2nd, during which the server will undergo approximately 1 hour of maintenance. This patch mainly focuses on…
Patch notesBugfixFixed an issue related to Vortex
Patch notesThis update mainly focuses on bug fixes and addressing the balance issues of the Experimental Death Knell. We plan to release more balance adjustments in the near future.Balance AdjustmentsExperimental Death Knell\ Attack Range modifier -10…
Patch notesGreetings, Commanders!Update 1.11 will go Live at 07:00 UTC (3:00 Eastern Daylight Time, 9:00 Central European Summer Time) on Tuesday, June 9th, during which the server will undergo approximately 2 hours of maintenance.This update brings a…
Max ConductorBalance AdjustmentsTyphoon\ Recovery value 600 → 500, Cost 100 → 200\ Cost 200 → 250Unit DropAdded a skip button to Unit Reinforcement, and the supplies obtained when skipping gradually increase with the number of rounds.Added Experimental…
Patch notesBugfixesFixed an issue related to Sticky OilFixed several known issues
Patch notesEMERGENCY MAINTAINANCE. The server will undergo approximately 1 hours of maintenance. It will take place at 11:25 UTC (7:25 Eastern Daylight Time, 13:25 Central European Summer Time) on Friday, May 29th. We appreciate your patience and…
Patch notesTo continuously improve server stability and gaming experience, the server will undergo approximately 1 hours of maintenance. It will take place at 09:30 UTC (5:30 Eastern Daylight Time, 11:30 Central European Summer Time) on Friday, May…
Patch notesBalance AdjustmentsHackerHackers now require a 0.9s preparation time before controlling a new targetDeveloper's Note: This adjustment will significantly reduce the hacker's control efficiency over light units and leave its control…
Patch notesGreetings, Commanders!Update 1.11 has been released on the Public Test Server. If testing goes smoothly, it will go Live on June 9th.This update brings a brand new Season 8, a full remake of Typhoon. Also new Anomalies — Battlefield Power…
Max ConductorGreetings, commanders!The brand new Season 8 is about to launch on the Public Test Server on May 21st and will take place on the Live Server on June 9th.However, before that, we still need to make a few balancing and system adjustments to…
Patch notesBugfixesFixed several issues that caused data anomaliesFixed the description error for the April Monthly Tournament medalFixed an issue where the Lv1 · Camouflage · Void Eye details icon in the Shop was incorrectFeedback & Bug ReportsFeel…
Patch notesBalance AdjustmentsMountain\ Rocket splash radius 25 → 15\ Cost 250 → 350, number of smoke bombs launched 10 → 8Developer's note: Last year, we buffed some niche Techs of Mountain. Recently, as players explore different Mountain tactics…
Patch notesThis update is not compulsory. Please restart Steam to get the latest patch.BugfixesFixed an issue where Sticky Oil would not display properlyFixed the issue of the missing model for Overlord · Snowfall Fest · Lv3
Patch notesAs we mentioned before, our recent development focus has been on performance optimization. We expect this patch to significantly improve the experience for players with older computers.Balance AdjustmentsTarantula\ movement speed 21 → 24…
Patch notesBalance AdjustmentsThis patch aims to nerf the currently overly popular Void Eye and buff some niche units and techs.Void Eye\ ATK modifier +175% → +120%SabertoothAttack Interval 3.4s → 3.2sATK 7858 → 7243 (-8%)HP 15541 → 14886…
Patch notesBugfixesFixed an issue where MMR sometimes failed to settle properly.Fixed an issue that could cause the game to freeze
Patch notesUpdate 1.10.0.2 will take place at 08:30 UTC (4:30 Eastern Daylight Time, 10:30 Central European Summer Time) on Wednesday, April 1st. During which the server will undergo approximately half an hour of maintenance.Balance AdjustmentsThis…
Patch notesGreetings, Commanders!As everyone gets familiar with the new Vortex unit released last week, we have also collected some balance data. The main focus of this update is a few balance adjustments related to Vortex.Balance…
Patch notesGreetings, Commanders! Update 1.10 is here! This update brings the brand-new Season 7, a new Vortex, and many performance optimizations. Additionally, starting from 1.10, Mechabellum will natively support macOS, allowing Mac users to enjoy…
Max ConductorBalance AdjustmentsVortexXP required for Level Up 650 → 700\ Phantom retains 50% → 30% of ATK \ Link distance 45 → 25\ Invincibility duration 2s → 4s\ Shield HP 3000 → 4500 \ Now additionally increases Vortex Range by 10Fangs\ Range…
Patch notesGreetings, Commanders!Update 1.10 is now available on the Public Test Server. If testing goes smoothly, it will be released on the live servers on March 12th.This update brings the brand-new Season 7, the new unit Vortex, and many…
Max ConductorPerformance OptimizationsOptimized the performance of Rhino.Optimized the performance of later rounds.Developer’s Note: Performance in Round 5 and beyond has been noticeably improved in this patch. We expect to release further optimization…
Patch notesThis update is a soft update. Players currently in the game will not be required to download it, and it will be downloaded before the player's next game launch.Performance OptimizationOptimized the performance of the ScorpionOptimized the…
Patch notesUpdate 1.9.1.2 will bring performance optimization and some small balance adjustments. This update will take place at 10:30 UTC (05:30 Eastern Standard Time, 11:30 Central European Time) on Tuesday, February 10th. During which the server…
Patch notesBugfixesFixed the issue where the Duo Survival mode cannot start properlyFixed the issue where the Deploy End button does not respond in some casesFixed multiple issues that may cause data anomaliesFixed multiple display issuesFixed the…
Patch notesCommanders, Greetings! Update 1.9.1 is now ready! This update introduces the Skyfire Festival event, Rift Score, new Unit Techs, and a new Rift Anomaly. Update 1.9.1 will take place at 10:30 UTC (5:30 Eastern Standard Time, 11:30 Central…
Max LinkerCommanders, Greetings!The content of Update 1.9.1 is now available for testing on the Public Test Server, and it will be released on the official server on February 5th.Below is the preview of Update 1.9.1:New TechSabertooth\: Deploys a…
Max LinkerAs the Snowfall Festival comes to an end, the maps will also return to their original state. The upcoming Skyfire Festival update, which features more new content, will arrive in February. In the meantime, this update is a minor balance…
Patch notesEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Royal - Phoenix Elite Battle Contract | WindowsmacOS | 29 Sep 2026 |
| Dieselpunk - Steel Ball Elite Battle Contract | WindowsmacOS | 29 Sep 2026 |
| Dieselpunk - Overlord Elite Battle Contract | WindowsmacOS | 29 Sep 2026 |
| Royal - Sabertooth Elite Battle Contract | WindowsmacOS | 29 Sep 2026 |
| Mechabellum - Steel Skin Pack | Windows | 25 Mar 2025 |
| Mechabellum - Mobile Forces Skin Pack | Windows | 25 Mar 2025 |
| Mechabellum - Gilded Worm Skin Pack | Windows | 25 Mar 2025 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Mechabellum.exe | windows 64 | ||
| Launch | Mechabellum.app | macos |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPaythanks-kintaro@outlook.com0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG