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Dev Log #10: The Art of Modulus, Part 3 | Technical Art Meets Creative Vision

[p]Welcome back to our Art of Modulus mini-series. Previously, we looked at the voxel building blocks that make Modulus tick. But voxels alone don’t make a factory game beautiful. This time, Antoine and Thomas talk about the collaboration between art and tech; how shaders, constraints, and even “happy accidents” shaped Modulus’ identity. We’ll also dive into how colour and lighting keep your sprawling factories both stylish and easy to read.[/p][p][/p][h2]TECHNICAL ART MEETS CREATIVE VISION[/h2][p]HOW DO THE TWO OF YOU COLLABORATE, ART AND TECH, TO MAKE IDEAS WORK IN-GAME?[/p][p]Thomas: So far, our collaborative approach to game development has been effective. We discuss all necessary effects and find the best solutions. For shader work, I aim to create robust solutions with public parameters, allowing for easy adjustments.[/p][p]However, there have been instances where initial settings required significant changes later. For example, elements like grass or water have undergone numerous revisions as the game's art style evolved. This iterative process often leads to deprecating old effects and creating new ones that better align with the current theme. Ultimately, it's a process of constant back-and-forth communication and adaptation.
[/p][p]Antoine:  I agree. I recall that at the project's outset, we experimented considerably before finding our rhythm. Now, our workflow feels natural and efficient, largely because our vision is clear.[/p][p]I'd also like to add that sometimes my own visions are limited by technical constraints. It's incredibly helpful to collaborate with tech artists, who are true magicians and can overcome any technical challenge. They are invaluable.[/p][p]Thomas: That's not true. We make the tools and then you have the vision. You know?[/p][p]Antoine:  Let’s say it’s a team effort! [/p][p]CAN YOU SHARE A MOMENT WHERE TECH CONSTRAINTS SHAPED THE ART (OR VICE VERSA)?[/p][p]Thomas: Beyond the module constraints on building design, which is the most substantial limitation imposed on the artistic elements, other crucial constraints influence level design, such as the size of operators and their shapes (e.g., a line or T-shape).[/p][p]Early prototypes involved numerous iterations to optimize the organization of these elements. Different models were created for various operator shapes because certain configurations proved more effective. The same applies to building sizes and even platform dimensions.
[/p][p]The environment's visual appeal is also constrained. Relying solely on tiles, for instance, reduces player engagement regarding operator placement. Ultimately, almost every aspect of design seems to be constrained, and these limitations are what define the art. This inherent challenge is also what makes the artistic process enjoyable. I’m always amazed by what Antoine manages to achieve. [/p][p]Antoine: The other way round too, art influenced design, particularly in balancing creative expression with practical constraints. For instance, our Game Designer prioritizes a maximum number of free tiles on islands for player flexibility. However, I advocate for incorporating environmental elements like ponds and mountains. An 80x80 grid of white tiles isn't visually engaging, so we sought a middle ground. These "blockers" also contribute to level design. This iterative process involves constant negotiation.[/p][p][/p][p]ANY "HAPPY ACCIDENTS" WHERE A LIMITATION TURNED INTO A STYLE-DEFINING FEATURE?[/p][p]Thomas: One “happy accident” was the decision to define floors for buildings quite late in development. That choice ended up shaping the visual identity of all buildings. Initially, the entire building was constructed with modules at once. [/p][p]This evolved, however, to a system where each floor represented an upgrade to the building. This change introduced a new design constraint; buildings now needed to feature duplicated floors. However, it also transformed the appearance of the structures. The introduction of floors gave them the distinct look of proper buildings.[/p][p][/p][p]Antoine: I would also add, the platforms. They were crucial for module delivery. Instead of leaving empty spaces, the platforms provided a dedicated space to connect and deliver modules, with the building then constructed above. The platforms also served a second purpose: separating the buildings from the rest of the factory floor.[/p][p]Our previous attempt to place buildings directly on the ground level alongside operators hindered readability, as everything was too cluttered. The platforms significantly improved clarity by providing this separation.[/p][p][/p][h2]COLOUR, LIGHTING & VISUAL CLARITY[/h2][p]HOW DO YOU USE COLOUR AND LIGHTING TO MAKE COMPLEX FACTORIES READABLE?[/p][p]Antoine: Readability is one of the main reasons we use white tiles for the ground. It makes everything on top of them much easier to read. Operators are designed with a dark base, either one or two voxels high, to create a clear contrast against a white tile background. This ensures instant visibility and separation.[/p][p]Additionally, a two-voxel margin is maintained on all sides of every operator. This prevents operators from appearing as a single module when placed side-by-side, maintaining clear distinctions between them and facilitating the visualization of production lines.[/p][p]For colors, I avoid using the main building colors to maintain clarity.  Regarding lighting for clarity, it's designed for full-day illumination, ensuring readability at all times. We minimize VFX, such as fog and clouds, by placing them below the level (under zero). This is why clouds appear between islands, preventing them from obscuring operators.[/p][p]The goal is to keep the space between the camera and models clear.[/p][p]Additionally, I avoid using LUTs (lookup tables) or post-process color tweaks for lighting. This ensures that the colors chosen during the design phase are accurately represented in the final game. [/p][p][/p][p][/p][p]Antoine: I may be spoiling a little here. A significant challenge with the upcoming day/night cycle will be managing lighting to maintain readability. When we initially concepted this, we opted for a bluish tint rather than complete darkness. This allows for clear readability while still conveying the feeling of night, enhanced by boosted emissive elements. The goal is to achieve a cool aesthetic without sacrificing legibility; it shouldn't be too dark.[/p][p][/p][p]A FAVOURITE COLOUR PALETTE OR VISUAL MOMENT IN THE GAME?[/p][p]Antoine: I have two main points to make. First, I really like how we used the colors of the environment, especially the grass and trees. Instead of basic green, the bright yellow and bright green make the game pop and give it a zen-like, reassuring vibe. I really like these colors.[/p][p]Second, in terms of assets, the yellow buildings are my favorite right now. They are made of white, black and yellow modules, a color combination that I’ve always liked.[/p][p][/p][p]That's all for this part Modulue Makers!
From floor systems to platform clarity, to a future day/night cycle, Modulus’ art direction is shaped by both technical challenges and artistic ambition. In our final part, we’ll look at the tools behind the style, how player creativity feeds back into development, and what exciting visual upgrades you can look forward to in Early Access.

If you want to see the art in action, you can play the free demo right now. And don't forget to wishlist Modulus on Steam.[/p][p]You can catch a more detailed video version of this interview below.[/p][p][/p][previewyoutube][/previewyoutube][p]Catch you soon with Part 4 where we take a look at the evolution of Modulus' style. [/p][p]Thanks, as always, for your support![/p][p][/p]
  • [p]Team Happy Volcano
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Dev Log: The Art of Modulus, Part 2 | Voxel Art & Modular Design

[h2]BUILDING BLOCKS: VOXEL ART & MODULAR DESIGN[/h2][p]Last time, we explored the origins of Modulus’ art style and the surprising inspirations that shaped its atmosphere. Today, we’re digging into the building blocks themselves: voxels. Why voxels? How do you balance clarity and creativity when everything in the game is built from modules? Antoine and Thomas break it down.

WHY VOXEL? WHAT MADE IT THE RIGHT CHOICE FOR MODULUS?[/p][p]Thomas: We opted for voxels early on due to technical limitations. Our initial prototypes required components that could be cut, stamped, and assembled, making voxels a practical choice. We didn't consider it an art style at the time, simply a method for resource creation.[/p][p]
[/p][p]I recall an instance where we were trying to build structures from modules. While procedurally generating buildings and researching best practices, I discovered someone attempting to mimic your work with procedural generation. I found it impressive, and when I saw their reference to your work, I was even more captivated. I showed it to David (the Game Director), who immediately suggested hiring you. That's how it all began.[/p][p][/p][p]HOW DO YOU BALANCE CLARITY VS. CREATIVITY WHEN THE WHOLE GAME IS ABOUT MODULES AND BLOCKS?[/p][p]Antoine: Balancing clarity and creativity is always a conversation. The Game Director defines the modules, and I give feedback on how usable they are for creating cool buildings. We go back and forth until we land on something that works both technically and visually. Later, we often add props to make player-built structures look more interesting without hurting readability.[/p][p]Thomas: He probably wants to change modules even after a building's been conceptualized right? Perhaps the perceived difficulty of a module is too high for the game's progression. I'm pretty sure I've seen instances where they needed to change something, and it's like, 'Okay, I guess I'll remake the building.'.[/p][p]
[/p][p]Antoine: We spent some time developing a secure workflow. Now, he creates the modules, and we discuss them, but I don't immediately start designing the building. He integrates the modules into the game without the building structure, testing and playing with them to assess difficulty. Once validated, I get the go-ahead. This approach is much better.[/p][p][/p][p]I design the building in Magica Voxel then I have to remake the building within our own tool called Diorama Editor , where each shape/module is separated so that in-game players can see the building being built “brick by brick”, before being merged into a single “polished” mesh that I prepare, for performance reasons. For gameplay reasons, I precisely build the structure using the designated modules. Then, I have creative freedom with props, like lights and chimneys, which form a second layer above the building, depending on its category. This allows for more creative expression while being careful not to obscure the underlying modules. It's crucial for players to understand that the building is solely constructed from the modules they create.[/p][p][/p][p]FAVOURITE TRICK OR SOLUTION YOU’VE USED TO MAKE THE VOXEL STYLE SHINE?[/p][p]Antoine:  This is my second game utilizing voxel art, and one of my favorite techniques is maintaining grid alignment. This ensures that elements like operators are never seen at odd angles, but always at 45 or 90 degrees, perfectly aligned with the grid. This consistent alignment makes all the voxels appear organized and visually pleasing, avoiding broken lines and contributing to the inherent appeal of voxel art. This technique is particularly suitable for this game, as it is grid-based.[/p][p]
[/p][p]Additionally, using a camera that is close to an isometric view greatly enhances the perception of the geometry. It's better to use an Isometric view or a very low Field of View (FOV); a 90-degree FOV, for instance, doesn't work well for voxel art. This is because the goal is for all voxels, regardless of their position on the screen, to appear as close to the same size as possible, and a low FOV helps achieve this.[/p][p]My final tip: fully lit voxel art lacks appeal in my opinion. I typically place the sun behind the model, or at least somewhat to the rear, causing shadows to fall towards the player. This adds depth, volume, and detail to the geometric art, as shadows are crucial for perspective since all voxels are the same size.


Voxel art is simple, powerful, and perfect for the modular systems at Modulus’ heart. But how do these artistic ideas translate into working systems in-game? In the next part, we’ll look at how technical art and creative vision come together, and how color and lighting keep factories readable even at their most complex.

If you want to see the art in action, you can play the free demo right now. And don't forget to wishlist Modulus on Steam so you don't miss our Early Access launch on October 22nd this year.[/p][p]You can catch a more detailed video version of this interview below.[/p][p][/p][previewyoutube][/previewyoutube][p]Thanks for reading.[/p]
  • [p]Team Happy Volcano[/p]

Dev Log: The Art of Modulus, Part 1 | Origins of the Visual Style

[p]Creating a factory game that’s not only functional but beautiful is no small challenge.Welcome to our new Art of Modulus mini-series! In this first piece, we sat down with Art Director Antoine Lendrevie and Tech Artist Thomas Preudhomme to talk about how the game’s visual identity first came together. From the earliest prototypes to the unexpected Solarpunk inspiration behind the atmosphere, here’s how Modulus found its “zen.”
[/p][h2]ONE WORD EACH TO DESCRIBE THE VISUAL IDENTITY OF MODULUS.[/h2][p]
Antoine:
So to me, even if one word is a bit difficult, I would go for zen[/p][p]Thomas: Yeah. It's a good one, I think it would probably be chilled or relaxed for me.
[/p][h2]ORIGINS OF THE VISUAL STYLE[/h2][p]HOW DID THE VISUAL IDENTITY OF MODULUS FIRST COME TOGETHER?[/p][p]Antoine: It took a while in preproduction and a lot of iterations, before getting that, zen and, relaxed and even kind of Solarpunk aesthetic that we now have.[/p][p]When I joined the project, a prototype already existed, with a team exploring art styles. The initial concepts focused on modularity and geometry, drawing heavily from voxel art and isometric 2D references. I recall seeing concepts reminiscent of Monument Valley, characterized by vibrant colors, which are crucial to the game, and an already serene atmosphere. The puzzle aspect of the prototype was initially much more prominent tooThe visual identity was largely leaning towards this style, but my expertise in voxel art shifted the game's direction. As we'll discuss, the game's core concept also naturally pushed us towards voxel art.[/p][p][/p][p]WERE THERE ANY UNEXPECTED INSPIRATIONS OR REFERENCE POINTS?[/p][p]Antoine: I don’t use many references because I try to keep things unique, but one big influence for the Solarpunk vibe was an ad called Dear Alice for Chobani Greek Yogurt.
 It’s a gorgeous animated short and probably one of the best examples of Solarpunk out there. It became a landmark reference for the style. I think it's a counterbalance to Cyberpunk, that we've seen quite a lot in the last ten years, and some people want kind of a similar vibe, but on the good side instead of the bad side.  I think people need that at the moment.[/p][p][/p][p]WHAT CHALLENGES CAME WITH TRYING TO MAKE A FACTORY GAME THAT’S ACTUALLY BEAUTIFUL?[/p][p]Antoine: The game design involves intricate constraints. For example, when creating a building, I don't just "make a blue building." Instead, the game designer provides specific modules, dictated by gameplay requirements. These early-stage modules must offer a challenge, but not excessively so.[/p][p]Their color and size are crucial because they need to fit into the assembler level one, which has an 8x8 module capacity. Therefore, these modules must adhere to those precise size and color specifications. Additionally, the number of modules, 12 of type one, 20 of type two, and 30 of type three, for example, are all calculated based on production line ratios.
Given this blueprint, my goal is to create the most aesthetically pleasing building possible within these significant constraints. While this limits creative freedom, it also presents an exciting challenge to achieve visual appeal despite the restrictions.[/p][p]Thomas: The most challenging aspect of prototyping Modulus was always the unknown. We were creating modules and buildings, operating on the assumption that we would ultimately assemble something pretty.[/p][p]However, that wasn't a given. For a long time, there was significant anxiety about what would happen if we couldn't create something appealing from these components. Then you arrived, and it all came together.

That’s where it all began: a foundation of voxel modules, geometric clarity, and a Solarpunk “zen” aesthetic. Next time, we’ll zoom in on voxel art itself and explore why this blocky approach became the cornerstone of Modulus’ design.
[/p][p]If you want to see the art in action, you can play the free demo right now. And don't forget to wishlist Modulus on Steam so you don't miss our Early Access launch on October 22nd this year.[/p][p]You can catch a more detailed video version of this interview below.[/p][p][/p][previewyoutube][/previewyoutube][p] Thanks for reading.[/p]
  • [p]Team Happy Volcano[/p]
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Join Our Discord-Exclusive Playtest Group!

[p]We’re expanding the Modulus Playtest, now with even more ways to get involved!
[/p][p][/p][p]This next wave of playtesting is exclusive to our Discord community, where we can work more closely with dedicated players and gather focused feedback on our Early Access content.
[/p][p] Because it gives us a chance to connect directly with the factory builders shaping the future of Modulus.
We love our Steam Playtesters, but the Steam Playtest system doesn’t give us control over who joins, so we can’t ensure individual applicants can participate. This way, we can work with you to gather feedback from the most interested players.
[/p][p]In the Discord-exclusive playtest, you'll:
✅ Get early access to in-development features
✅ Help us test major systems like research, ranks, and datashards
✅ Share your feedback via Feature Upvote, which all players (even non-testers) can comment and vote on
[/p][p] Because we don’t just want feedback, we want useful, thoughtful input that helps us prioritise development and refine gameplay for launch.
[/p][p]If you’re active in our community, love digging into mechanics, and want a say in what we build next, we want to hear from you.

[/p][p]📌 Apply via our Discord here: https://discord.gg/modulus (then head to the post in #announcements) [/p][p] 📣Check out what current testers have already suggested on our Feature Upvote board here: https://modulus-feedback-and-suggestions.featureupvote.com[/p][p][/p][p]Help us build Modulus, one feature at a time.[/p]
  • [p]Team Happy Volcano[/p]

Modulus is in the Secret Sauce Showcase | Today at 11AM PT/ 8PM CEST!

[p]Modulus is part of the first-ever Secret Sauce Showcase, a brand-new event celebrating the most creative and chaotic games in development right now, and we’re showing off TWO exclusive pieces:[/p][p]🎬 A new trailer
📽️ An exclusive dev diary

[/p][p]Expect 40+ new reveals, 10 dev diaries, and even a surprise appearance from Ludwig (yes, that Ludwig).
This is one of our biggest showcase slots yet, and the perfect time to see what’s coming to Modulus.
[/p][h3]📺 Where to Watch:[/h3][p]🟣 YouTube: Watch LIVE on the Offbrand Games, IGN, or Gamespot channels.

Or tune in to see Ludwig react live
🟡 Ludwig’s channel: [dynamiclink][/dynamiclink]
🟢 Official Steam Event Page: https://store.steampowered.com/curator/45028385/sale/SecretSauceGameShowcase

[/p][p]Whether you’re deep in the demo or waiting for Early Access (October 22), this is the one to watch.
Join the celebration, wishlist Modulus, and let us know what you think of the new content!
[/p][p]🕚 Goes live TODAY at 11AM PT / 2PM ET / 7PM BST

Thanks, as always, for your support Module Makers.

- Team Happy Volcano!
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