Press Kit
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Factsheet
| Developer | CampbellSoft Studios |
| Engine | Godot 4.6 |
| Platform | PC (Steam) |
| Genre | Incremental / Idle / Management |
| Release | Early Access — March 11th, 2026 |
| Price | $4.99 (EA) / $7.99 (Full) |
| Players | Single Player |
| Languages | 13 (English, French, German, Spanish, Italian, Japanese, Korean, Chinese, Brazilian Portuguese, Russian, Polish, Turkish) |
| Achievements | 32 Steam achievements |
| Soundtrack | 17 original tracks (10 instrumental, 7 lyrical) |
| Latest Build | Patch v0.1.8 (March 20, 2026) |
Description
Short
A dwarven mining incremental game. Dig through 20+ depths, build 13 specialized rooms, automate your underground empire, and prestige for permanent power. Trade with nations, tame beasts, craft runestones, and ascend to unlock even deeper progression. Every sound and visual is procedurally generated.
Long
Mithril & Mud is a dwarven mining incremental game where every swing of the pickaxe brings you closer to the riches buried below. Start with nothing but stone and ambition — end with a sprawling underground empire fueled by mithril, shadowsteel, and ancient rune magic.
Descend through 20 increasingly dangerous depths, each unlocking new rooms, resources, and challenges. Construct and upgrade 13 specialized rooms — from Smelters and Lumber Mills to Runic Workshops and the Dark Forge. Unlock automation systems that keep your empire running while you're away. Prestige grants Ancestral Knowledge and Blessings that carry forward. Ascension opens an entirely new layer of progression.
Key Features
- 20+ depths of increasing challenge and reward
- 13 unique rooms to build and upgrade
- 7 distinct resource types
- Prestige and Ascension meta-progression
- Skill trees, artifacts, gems, runestones, and relics
- Trade system with nations, caravans, and mercenaries
- Full automation suite for idle play
- Hourly quests, expeditions, and challenges
- 17-track original soundtrack with lyrical toggle
- Procedurally generated visuals
- Steam Cloud saves and achievements
Downloadable Assets
Screenshots are available on the Steam store page.
Latest News
Patch v0.1.8 (March 20, 2026) — Tiered depth bonuses, artifact soft cap, cave-in warnings, automation pause toggle, help buttons on 4 panels, and late-game event reward scaling. Read the full patch notes.
Patch v0.1.7 (March 14, 2026) — Per-slot auto deploy, manual worker reserve, troll timeout, rune shard fixes, expedition tooltips, prestige reset fixes. Read the full patch notes.
Patch v0.1.6 (March 13, 2026) — Persistent offline workers, auto-redeploy expeditions, room reordering, trade cooldown timers, 28 bug fixes from full codebase audit. Read the full patch notes.
Hotfix v0.1.51 (March 13, 2026) — Tutorial rework with gold pulse highlights, "Check It Out" hint navigation, Lithodore kill cap, 8 bug fixes. Read the full patch notes.
Patch v0.1.5 (March 12, 2026) — Automation profiles & purchase priority, expedition worker death, guided tutorial, artifact cost rebalance, Linux Unicode fix. Read the full patch notes.
Patch v0.1.4 (March 12, 2026) — AK soft cap, converter exploit fix, mercenary rebalance, dwarf & warrior visual variations, UI polish. Read the full patch notes.
Hotfix v0.1.2 & v0.1.3 (March 11, 2026) — Crit hits now deal 2x ore, crown forge crashes fixed, AK exploit patched, trade depth discount fixed. Read the full patch notes.
Hotfix v0.1.1 (March 11, 2026) — Bug fixes for depth bonus display, Deep Knowledge, Mining Expertise, Hands Off challenge, hire cost display, and Steam achievements. Read the full patch notes.
Early Access launched March 11, 2026 on Steam.
Alpha Patch 7 (March 10, 2026) — Final pre-launch build.
Alpha Patch 6 — Continued polish and balance improvements.
Patch 5 (February 21, 2026) — 11 new tutorial hints, critical expedition prestige exploit fix, hiring discount cap UX, runestone slot relic fix, and 100x superior runestone combine cost. Read the full patch notes.
Patch 4 (February 20, 2026) — New Dwarven Tavern room, room unlock alerts, and dwarf graveyard. Read the full patch notes.