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HARWELL: Mars IndustriesNewsv0.17: Building Modifiers
In-game event

v0.17: Building Modifiers

HARWELL: Mars Industries · published 15 Jan 2026, 19:18 UTC

All newsPlayers around this dateRead on Steam

New Features

  • Implemented a new system to dynamically adjust building performance based on terrain and proximity.

  • Added for real-time evaluation of placement conditions.

  • Modifiers are now fully integrated into production logic and financial previews.

  • Added a modifier preview tooltip during building placement to show active bonuses or penalties before you build.

  • Added efficiency modifiers for Wind Turbines based on nearby mountains and building interference.

  • Introduced penalties for buildings disconnected from the HQ based on their distance.

  • Integrated GodotSteam and Spotlight add-ins for enhanced multiplayer and editor functionality.

  • Added Signalbus events for building lifecycle tracking (placement and removal).

  • Added a comprehensive modding guide for the Building Modifier System.

Improvements

  • Redesigned the tooltip system for better consistency and improved screen boundary detection.

  • Updated building tooltips to display detailed information on active modifiers and their specific effects.

  • Implemented the MapIndex to optimise terrain and building data lookups for modifier calculations.

  • Updated the BuildingManager to support batch processing of modifier-adjusted production and maintenance.

Bug Fixes

  • Fixed missing translations across all supported languages.

More from HARWELL: Mars Industries

Other announcements

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Community8 Jul 2026Dev Diary #1 - The Building BlocksHello, Pioneers, and welcome to the first Harwell: Mars Industries dev diary. If you're new here, hello! I’m Caleb Houlding, solo developer of Harwell: Mars Industries, along with publisher Aquila Interactive. It's great to have you here! Today we’re looking at the building blocks of Harwell: Mars Industries, and we'll be showcasing the implementation of various buildings, along with their reso…Community28 Apr 2026New Publisher Announcement!Mars is open for business! Developer Caleb Houlding is partnering with publisher Aquila Interactive to announce Harwell: Mars Industries , a sci-fi economic strategy game set on Mars, coming 2027. This is the start of an exciting journey, and we'd love for you to head to the Store page, wishlist and come along with us for the ride in our Discord . What is Harwell: Mars Industries Each corporati…Game update13 Apr 2026v0.20.4 PatchNew Features · Friends system with Steam and Nakama integration — add friends, see their status (online, in-game, in-lobby), and invite them directly to games. · Beautiful Shadows toggle in Graphics settings for the new lighting pipeline. · Game end screen redesign with full-screen overlay, financial graphs (revenue, expenses, company value, profit, debt), per-resource production tables, and co…