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Mithril & Mud

Early Access

Dwarven Mining Incremental

A dwarven mining incremental. Build your hold and dig deeper every run. Hire miners, build rooms, smelt resources and prestige for permanent power, in Early Access on Steam. About 190 GDScript files and 58,000 lines, localized into 9 languages.

Godot 4.6GDScriptIncrementalSteam
Steam StoreWebsite

About

Mithril & Mud is a dwarven mining incremental. Build your hold and dig deeper every run. It’s built in Godot 4.6 and has been in Early Access on Steam since March 2026. You hire miners, build rooms, smelt resources, and prestige for permanent upgrades that carry into the next dig.

Next Update: The Endgame Update (v0.2.0)

The biggest update since launch is in testing now:

  • Endless depths past depth 20, across four new biomes, each guarded by a Warden boss
  • Earned Automation: five helper dwarves you unlock over a run, each taking over a job you used to do by hand
  • Dig Omens: pick one modifier at the start of each New Dig
  • Guild Hall: one menu for every station, from the Forge and Runestones to Records and Achievements
  • A fully redrawn hold, a calmer screen option, and a large balance pass backed by our playthrough simulator
  • More than 100 fixes from player feedback

Technical Highlights

  • About 190 GDScript files and roughly 58,000 lines of game code
  • Headless test suite with more than 50 test scripts, run before every build
  • Fully programmatic UI: every panel is built in code, no scene-based UI
  • Procedural art and sound effects generated at runtime
  • 19 autoloads for save/load, audio, events and balance
  • Custom playthrough simulator that plays the game start to finish to tune pacing
  • Localized into 9 languages (English, French, German, Italian, Spanish, Simplified and Traditional Chinese, Japanese, Korean)

Progression Systems

  • Depth 1–20 main progression, with endless depths coming in the next update
  • 13 buildable rooms, each with its own mechanics
  • 7 resource types with crafting and smelting chains
  • Prestige layer for permanent upgrades
  • Ascension layer for meta-progression

Companion Website

The game’s site at mithrilandmud.com is built with Astro. It has patch notes and a dev blog, an FAQ, and a press kit with 4K screenshots and capsule art.