Delve back into the heart-pounding depths of the Undermine in this action roguelike sequel! Uncover ancient secrets, battle fierce foes, and conquer Delvemore Castle with a friend by your side!
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Jul 22, 2025
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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“UnderMine 2 is an ambitious game, and Thorium is a small studio. Simply put, we don't have the testing capacity for the millions of combinations of item, character, and environmental interactions. The Community also provides critical gameplay, story, and balance feedback. We believe that EA is integral to developing a highly interactive roguelike. ”

Approximately how long will this game be in Early Access?

“It's hard to say, but it's likely longer than UnderMine, which was a year. We have so much ambition for this game, and we probably have one to two years of ideas we'd like to implement before 1.0, which also won't be the end of continued support.”

How is the full version planned to differ from the Early Access version?

“The full version of UnderMine 2 will have much more content than the Early Access release. UM2 already has roughly the content of UnderMine, but we'd like to expand that by double or triple throughout Early Access.

We plan to add more features, modes, zones, stories, enemies, items, and other content. We have already prepared the game to easily expand in these areas. ”

What is the current state of the Early Access version?

“UnderMine 2 releases into Early Access in a highly polished and content-rich state. We have done our best to eliminate all crashes and as many bugs as possible, although part of the EA process is to find more elusive issues, so there is always some instability.

UM2, on EA release, includes co-op play and mod support and has about the same level of content in the form of zones, items, enemies, characters, and story as UnderMine. We estimate that players who plan to unlock everything in the initial EA release will have 30-50 hours of playtime. ”

Will the game be priced differently during and after Early Access?

“Yes. The price of UnderMine 2 will increase when it exits Early Access.”

How are you planning on involving the Community in your development process?

“The Community is critical to the EA process. We take player feedback into account for all of our additions and changes. Seeing how players engage with our game guides what we add, how we balance, and inspires us with ideas we wouldn't have had otherwise. Players can communicate with us in various ways: Discord, Steam Discussion Boards, Social Media, or regular, old email. ”
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Planned Release Date: Jul 22, 2025

This game plans to unlock in approximately 2 months

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About This Game

Building on the best aspects of UnderMine, an acclaimed action-adventure roguelike, UnderMine 2 takes dungeon crawling to a whole new level! Discover, combine, craft, and transmute powerful relics and take your lowly peasant from zero to hero. Trivial human politics distract as cosmic machinations unfold — there is more than one war in Delvemore. While King Faraam IV attempts to regain control of his kingdom, the unseen war between two daemonic siblings ripples the fabric of reality.

PLAY WITH A FRIEND

Invite your friend to drop in and play through the entirety of UnderMine 2 together! Two-player co-op lets you tackle the game with each other, presenting a dynamic challenge and opening up new strategic options.

PLAYABLE CHARACTERS

Discover, unlock, and play as new characters, including Black Rabbit, a lucky and ambitious treasure hunter. Each character has unique stats, abilities, upgrades, and relics.

BRANCHING PATHS

New regions of the Undermine have been revealed, and each branches off into various other areas. Navigate it to complete builds, quests, and different objectives. Your final challenge depends entirely on your decisions throughout the run.

ARCANA

Wield new, interactive relics called Arcana. Each adds a new ability to your character, from casting fireballs to summoning skeleton minions to rearranging time and space.

FULL MOD AND WORKSHOP SUPPORT

Easily create new items, characters, encounters, quests, and more with paintable tilesets, a visual scripting editor, and other included development tools. You can also easily download other players' creations through Steam Workshop.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10+
    • Processor: Dual Core 2.4 GHz
    • Memory: 4 GB RAM
    • Graphics: 2 GB VRAM / DirectX 10+ support
    • Storage: 1 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10+
    • Processor: Dual Core 3.0 GHz
    • Memory: 8 GB RAM
    • Graphics: 4 GB VRAM / DirectX 10+ support
    • Storage: 2 GB available space
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