Devlog

From The Shop Floor

Dated, honest production notes — engine evaluations, backend decisions, and the unglamorous discipline of building an MMO with a very small team. No hype, no release dates. Just what we're acting on this week.

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In engine screenshot: the player character walking the iron grating of the Drifter's stern deck beside the rail while the ship is under way

3 October 2026 · Engine & Netcode

Standing on a Moving City: The First Player Rides in Unreal

Vertical SliceNetcodeDrifter

A real player boarded a moving hull, walked it, jumped on it and stepped off, first on a test hull, then on the Grindwalker and the Drifter. The evidence, the bugs that nearly hid, and what is still not proven.

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Grey clay render of the Grindwalker V18 from the port side, with its new cooling tower amidships

3 October 2026 · Cogworks & Art

Grindwalker V8 to V18: New Hulls, a First Terrain Ride, and the Runway Retires

GrindwalkerTerrainSlipstreamer

Ten versions in three weeks. The hulls were rebuilt, a COGHEIM hull followed real terrain in Unreal for the first time, and an aircraft left on a moving deck retired the runway for good.

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Concept art: a frozen, rocky landscape under a heavy storm sky with a faint ember of light on the horizon

3 October 2026 · World & Systems

Snow That Remembers, Rain Nobody Could See, and a Sky Every Player Shares

WeatherDay and NightRegions

Shared snow trails, six layer snowfall verified in play, rain too thin to see, one sky clock for every player, thirty one regions and an ice rim around the disc.

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Steampunk diagnostic control room with engineers reading paper-roll printers beside glowing teal instrument tubes

18 September 2026 · Engine & Netcode

The Crash Report Can Crash: Why COGHEIM Needs Independent Linux Observability

EngineNetcodeLinux

A newly documented UE 5.8 Linux failure can erase the evidence after a crash. Why crash reporting can't be the server's only witness — plus fixes to Nanite Landscape memory and MetaHuman Crowd motion vectors.

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The Arch — the central span between Grindwalker's twin hulls, with a glass dome at its peak

12 September 2026 · Cogworks & Art

Building Grindwalker, Piece by Piece

GrindwalkerCogworksModular Kit

A look at the actual kit behind the hull — bridge segments, mount foundations, a working fairground, industrial towers, and the Arch itself.

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Official badge art for all eleven Syndicate specialties alongside Black-Maw Station concept scenes

1 September 2026 · Production Notes

World of Cogheim Goes Live: Five Classes, One Drifter, One Syndicate System

World of CogheimSyndicatesWebsite

Eight new pages, a real recap not a highlight reel — plus a retired-name bug we caught and fixed along the way.

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The Cogheim world model triptych showing the disc, a Strider exploded view, and scale comparison chart

30 August 2026 · Engine & Netcode

8 Kilometers, and Eight Decisions Flagged for Review

Unreal EngineWorld PartitionProcess

A real playable region went up in UE5.8 this week — and the more interesting story is the discipline of flagging your own architectural calls before they get expensive to reverse.

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A steampunk world-model chamber, evoking the systems and machinery behind COGHEIM's production

29 August 2026 · Engine & Tooling

Stabilizing the Machine: What Unreal Engine 5.8.2 Changes for COGHEIM

EngineProductionNetcode

Safer large-world cooking, stronger simulation foundations, improved server protection, and workflows that need better retention policies — and exactly what we're doing about each one, this week.

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A quiet iron junction deep in the Drifter's corridors, brass fittings and a single lantern lighting the crossroads

16 August 2026 · Engine & Netcode

The Netcode Doesn't Care Where You're Standing: Building RFA

RFANetcodeWorld Scale

Generalizing Strider-local netcode into a universal authority model, locking the disc at 2,500km, and adding Meridian Maritime Academy to Alpha scope.

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A six-panel backdrop reference plate showing Strider Concourse, Iron Veil Corridor, Aetheric Academy Hall, The Garage, Flight Deck, and Command Deck

28 July 2026 · Art & Concept

Building a Cast: The Character Portrait System

CharactersConcept ArtPipeline

Batch generation produced identical outfits and muddy results. Three specific failures, three specific fixes, and the pipeline that actually works.

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An old leather-bound book open on an iron table beside a brass compass, a distant Strider on the horizon

26 July 2026 · World & Lore

Getting Print-Ready: The KDP Pipeline Behind the Quintet

PublishingKDPPipeline

EPUB accessibility fixes, 6×9 print interiors, and the margin bug that took three attempts to actually solve.

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The Blackjack-class Strider, a towering fortress-city on tracked legs, established shot in mountain terrain

22 July 2026 · Engine & Netcode

21 Decks: Locking Blackjack's Full Interior Spec

BlackjackInterior SpecDesign

The largest Strider class, fully specced — and the geometry conflict that had already survived three previous attempts to fix it.

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The Drifter's gearworks and firing range, engineers at a workbench beside an Iron Frame assembly in progress

12 July 2026 · Engine & Netcode

The First Build: Getting COGHEIM Walkable in UE5.8

Unreal EngineUE5.8Build

From project skeleton to a walkable 10km terrain slice — the first real UE5.8 build, and the version-mismatch bug that almost stopped it.

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An old leather-bound book open on an iron table beside a brass compass, a distant Strider on the horizon

9 July 2026 · World & Lore

Five Books, One Pipeline: Finishing the Cogheim Quintet's First Drafts

NovelsProductionPublishing

Book III closed out, and Books IV and V went from open questions to full first drafts. No plot details — just the real production math of finishing a five-book series.

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An archive of glass display cases holding relics and campaign memorabilia, evoking a look back at production history

12 June 2026 · Production Notes

Renaming Mid-Build: What Changing the Game's Name Actually Cost

BrandingProductionNaming

COGHEIM wasn't the name we opened with. Why it changed, what actually carried over, and what it cost to make the new name stick everywhere it needed to.

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The Iron-Hail bomber, a segmented airship gunship with bomb bay doors open over cloud cover

28 May 2026 · Art & Concept

Six Units, One Style: Locking Consistency Across Early Vehicle Concept Art

Concept ArtVehiclesStyle

Six support vehicles, generated independently, looked like six different games. The seeding discipline that fixed it, and why it's now the standing rule.

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More posts land here as they're written. We'd rather post less often and mean every line than pad this page out.