UnderMine - Thorium


UnderMine 2 will be released into Steam Early Access on July 22, 2025!

You will have a chance to try it early! A demo will be available during Steam Next Fest, June 9th—16th.

We have waited for this day for four years. We're so happy to finally share UnderMine 2 with you and continue developing in a live environment with your involvement. Our community is incredibly important to us. We can't do what we do without you. Thank you for your patience. We hope you enjoy this nugget of (extremely epic) music alongside this momentous announcement.

Wishlist Now!
Make sure to wishlist UnderMine 2! You'll be notified the moment it releases.

https://store.steampowered.com/app/1869780/UnderMine_2/

We will have more information about Early Access at a later date, including what to expect from the game and our plans for where it is going.

Merch Sale!
UnderMine merch is currently 90% off at the Dual Wield store. These items won't be restocked, so it's while supplies last.

https://dualwieldstudio.com/collections/undermine



For more information make sure to visit the website and Discord channel.


UnderMine - Thorium
EDIT: In case you missed the stream you can view the recorded video here:
https://youtu.be/irr19TxO-tc?si=E764MqAArI-4lVYw




Join us, Thorium, for an afternoon of UnderMine 2 questions and answers!

It has officially been six months since we unveiled UnderMine 2, and we've been buried in development, building a ton of new content.

We're eager to show you what we have been working on and to take your questions about the game! Questions are being collected on Discord. Post your questions in the #questions-for-the-devs channel, or upvote the ones you want to hear more about.

We'll answer the most upvoted questions from Discord, take questions from the chat, discuss new features, and show parts of the game we haven't shown before. In case you missed our first Q&A, you can watch the archived video here.

Make sure to follow us on Twitch so you don't miss out. The stream will be Thursday, November 7th, at 2:00 pm PDT!



UnderMine - Thorium
We hope you're all excited after the announcement of UnderMine 2. We've been collecting community questions in Discord and plan to answer them in an upcoming Dev Stream on Friday May 17th.

There is still time to get your question in, or upvote an existing question you'd like us to answer. We'll be answering the most popular questions, discussing new features with chat, and showing parts of the game we haven't shown before.

Jump into Discord and go on over to #questions-for-the-devs to find out what has already been asked and ask your own question.

Tune in to Twitch on Friday May 17th at 3:00pm PDT to watch the stream!

UnderMine - Thorium
We here at Thorium have been in stealth mode development for 3 years, but we’re finally ready to reveal our next project – it’s UnderMine 2!



https://store.steampowered.com/app/1869780/UnderMine2/

UnderMine 2 builds on what made UnderMine great, but makes some significant changes and adds a lot of requested features, such as:

  • 2 Player Local Co-op (online via Steam Remote Play)
    Play through the entirety of the game with a friend by your side. UnderMine 2 supports drop in and out co-op with dynamically scaling difficulty. See what new item combos and strategic options open up with two players.

  • Playable Character Classes
    Discover, unlock, and play as different characters including some favorites from UnderMine. Each playable character has unique stats, abilities, upgrades, and relics they can find. Each character significantly alters the feel of the game.

  • 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. Arcana can make an old character feel new by centering entire builds around their function.

  • Full Mod and Workshop Support
    We’re shipping you the tools we use to make the game and making it as easy as possible to upload and download mods from Steam Workshop. We feel we’ve created a really great technical platform and are excited to share that with you.

  • And a lot more!
    More characters, more zones, more items, and more action all around!



Follow UnderMine 2's development:
We'll have more information on what's coming in UnderMine 2 so join our socials to get updates.
[/h3]
[/list]

We're really excited to finally show you what we've been cooking. We hope you're just as excited.

- Clint, Derek, and Courtland
UnderMine - Thorium


We've gotten the question a lot and we're finally so happy to say: "Yes! Physical copies are happening! And preorders are (almost) here!"

We started talking with Limited Run Games back at PAX West '19, just after UnderMine hit EA, so it's been a long process. But, we're incredibly happy with the result and are so stoked to, not only get these in your hands, but our own!

Preorders open August 5th and will run for a month. Here are the links:

Switch:
https://limitedrungames.com/products/switch-limited-run-156-undermine

PlayStation 4:
https://limitedrungames.com/products/limited-run-474-undermineps4
UnderMine - Thorium


Content
  • Added 25 new WHIP starting item packages
Bug Fixes
  • Penance now heals you if you have Starvation
  • Penance starting cost reduced back to 50hp
  • Fixed a display issue for seeds over 6 digits in the Log and Game Over screen
  • Shrapnel kills now count towards Tsar Bomba and Capture Sphere
  • Box of Holding now stops working when Nullified
  • Fixed an animation glitch with Nullstone when the peasant resurrects via Resurrection or Lucky Charm
  • The right analog stick now respects the controller deadzone setting
  • Fixed an issue preventing Death’s Hand from speaking if you leave his room via Shop in a Bottle before ending the run
  • Secluded room encounters are not rerolled in the case of emergency layout rebuilds. This would lead to rooms appearing on the wrong subfloor on the minimap
  • Fixed a softlock that would occur if you attack Toadvine or Bathcat after using Selt’s key on the Dungeon door
  • Fixed a cursed relic choice encounter in the Caverns from working correctly with Mutation
  • Fixed a few text typos
  • Fixed an issue with Miner’s Flask that would spawn a non-interactable potion and slide it across the floor when restoring a save state
  • Fixed some issues surrounding Simple Chest and shop cost-modifying items such as Rabbit Gloves and Accursed
  • Fixed a counting issue in the Dungeon gargoyle fight that would end the fight early if the last gargoyle turned to stone
  • The major curse loot table now falls back to the minor curse loot table to prevent players from becoming locked in the Othermine antechamber if the major curse table had become exhausted
  • Combo items now forcibly remove their component relics, even if the component is indestructible
  • Fixed an issue with Eidolon and Spirit in WHIP mode that would prevent their equip bonuses from applying if you already had them equipped
  • All boss exits should now correctly spawn, even if the boss dies during their intro sequence
  • Maybe fixed Seer’s head from sometimes rotating upwards during his attacks
  • Fixed some mouse-detection issues that would prevent controller players from being able to swing if the mouse was hovering over a clickable UI element
  • Helios Boots now correctly inherits the insulating properties of Galoshes
  • Scattering items now attempt to land inside the playable room bounds to prevent them from falling outside the doorway and touching the kill zone
  • Fixed an issue with Hayfever that would cause the plant to be able to shoot for a few seconds after it had died
  • Canary lv3 now shows a little restraint when going after newly-spawned gold so as to not interrupt duplication as often
  • Fixed a longstanding issue that would cause the interaction state of items and other things to become stuck to the player no matter how far away from them you get
  • Added yet more safety checks to prevent arrow traps from spawning behind interior wall sections
  • Fixed a targeting issue with Vilepots that would cause them to become unresponsive
  • Tightened up Lucky Charm to better prevent the player from jumping around during the resurrection animation and made the invulnerability period outlast ignite and poison
  • Fixed an issue that would cause the Hobble Doll’s beam to persist if the doll was instantly destroyed via Midas Touch or other instant-kill effects
  • Canary is no longer interested in shop items, free or not
  • Fixed a few issues with Selt getting stuck and causing bombs she eats to sometimes double-explode
  • Resolved a few lingering crashes
A huge thank you to our dedicated bug hunters for reporting these issues and helping us to continue pushing forward the quality of UnderMine!
UnderMine - Thorium


Features:

Camilla, Second Disciplinarian and WHIP
Welcome to WHIP peasant! Camilla has occupied Arkanos’ empty library and has a new motivational strategy. The Worker’s Helpful Incentive Program, or WHIP for short, is a daily run mode. Each day Camilla will present you with a random set of hexes, items, and a familiar. Your job is to run either Undermine or Othermine and score the highest score you can. Your best run will be placed on a daily leaderboard against other players. See if you can score the highest!

Log
There is now a log in the journal that stores information about recent runs. See past runs in both Undermine and Othermine. See what their seed was, how much gold was collected, which enemies were defeated, and in the case of WHIP, how high a score was achieved.

Familiar Styles
Each familiar now has an alternate style that can be toggled at a magic mirror in Griswold’s room. Familiar styles can be unlocked by scoring over 100,000 points and completing a WHIP run with a particular familiar.

Canary - Golden Nugget
Chaos Spawn - Stoneforge Discord
Djinn - Whispered Wish
Eidolon - Cruel Spectre
Firebird - Furious Black
Lesser Demon - Stygian Grip
Nikko - Great Demon Monkey
Phoenix - Bird of Paradise
Spirit - Barrel Aged
Sylph - Angelic Charm
Thunderbird - Rolling Storm
Murderous Queen - Hand of the Queen
Pale Likeness - Crystal Skull

New Items:

Familiars
  • Pale Likeness - A familiar that is unlocked after defeating Din. The Pale Likeness tends to do more harm than good.
  • Murderous Queen - A familiar unlocked by defeating the Plunder King in the Bog. The Murderous Queen attacks enemies with poison projectiles and spawns powerful healing blessings called Drops of Honey.
Relics
  • Orion’s Sword - Temporarily increase damage when attacked
  • Golden Axe - Spent gold is turned into bonus damage
  • Twin Axe - Gain a second pickaxe
  • Tortoise Shield - Slows enemy projectiles
  • Box of Holding - Pilfer shop items are instantly restocked
  • Magnetized Ore - Teleport enemies next to bombs
  • Lucky Nugget - Enemies drop gold when critically hit
  • Bounty Contract - Adds a bounty to a random enemy
  • Javelin - Damage of a thrown pickaxe increases as it travels further
Potions
  • Stoneforge Broth - Gain a legendary relic
Curses
  • Earthquakes - Stalactites drop from the ceiling
  • Heat Wave - Enemies become hot to the touch
Hexes
  • Amnesia - All your relics are destroyed after defeating a boss
  • Starvation - Penance heals, but food and healing potions no longer drop
  • Nemesis - Become prey
  • Stasis - Items are tapped in crystal
  • Blasphemy - Altars are reversed
  • Accursed - All shop items are cursed
Balance Changes:

  • Large Ember and Phoenix’s Radiance now ignite torches and cook food
  • Selt’s Egg now spawns 2 larvae with 100% accuracy and faster projectiles
  • Selt’s Egg now spawns larvae faster
  • Plunder King’s collider size has been reduced, his poison splat duration reduced, and his minion cap lowered
  • Galoshes now protect against electrified water in addition to oil and poison
  • Tsar Bomba now spawns 2 bombs instead of 1
  • Bramble Vest has been renamed to Blade Mail and now repeatedly returns damage after being hit
  • Mirror Shield now retains the melee reflect from Grimhilde’s Mirror
  • Arachnophobia now sets the spider’s health to 1 and delays its behavior on spawn
  • Dead Man’s Switch now fires slower arrows with less accuracy
  • Branding Bombs now condemn faster and no longer damage the player. Instead they apply a single level of the Brittleness curse
  • Ursa Major now lasts 100s instead of 120s
  • Ursa Major now has a maximum health increase of 400
  • Waking light now fires from the furthest torch from the peasant
  • Ostiophobia now triggers 50% of the time instead of 100%
  • Ostiophobia can no longer spawn skeletons in the boss room
  • Hay Fever now takes longer to activate
  • Hay Fever now has more delay between plant attacks
  • Tariffs now increase costs by 1.5x instead of 2x
  • Poison Mushroom now grants max health back when it is removed
  • Mutation now procs 40% of the time instead of 50%
  • Lunchbox now drops a piece of food when picked up
  • Sequence Breaker can now warp the peasant to inaccessible areas when combined with a source of throw piercing
  • Shop food can now be poisoned
  • Secretion Wurms have had their per-room cap lowered
  • Knight’s and Archer’s Pendants now give at least +1 damage
  • Chakram now ignites when traveling over fire
  • Frostbite now reduces all healing to 1 instead of removing healing altogether
  • Adventurer’s Peril now increases incoming damage by 10X instead of setting the peasant’s health to 1
Bug Fixes:

  • Fixed graphic tiling issues in the entrance to Ponzu’s boss fight
  • Fixed an issue with Ponzu’s bubble splash attack that prevented it from dealing damage
  • Major improvements to Vorpal Blade’s hit detection and facing lock at high attack speeds
  • Vorpal Blade is now better behaved when nullified
  • Fixed a small reflection problem on the walls in the Cavern
  • Tus no longer accepts credit
  • Tus no longer queues his actions, allowing you to donate to him twice with clever timing tricks
  • Familiar tooltip now highlights the third ability if the familiar is level 3
  • Cursed Jars are now affected by Midas Potion and Kiss of the Succubus
  • Rabbit Gloves now make all items in the shop free until an item is purchased
  • Salamander’s Wrath and Venomous now only proc off of physical damage to avoid a “death loop”
  • Gecko Blast more reliably gathers items and hopefully won’t cause them to clip through the floor any more
  • Circinus now works in the first room of each zone
  • Master Pickaxe beams no longer “double tap” bombs, causing them to launch backwards
  • Fixed a minor graphical error when moving into a room with Firebats
  • Bog arrow traps no longer scale their health in Othermine
  • Black Credit Card is no longer allowed on the relic altar
  • Fixed an issue where the portal to the final room would not spawn if Seer was killed too quickly
  • Fixed an issue that caused the invisible door blockers to not spawn correctly in doorways that had been opened with a bomb blast
  • Noori’s portals are now more visible if spawned behind him
  • Sweaty Palms and Fingers no longer queue damage events to keep procing after the damage has stopped
  • Ara will now block curses before Doll does
  • Blessing, Curse, and Hex audio now only play a single instance to avoid a volume increase
  • Fixed a graphical issue that would cause your pickaxe’s trail to continue to render across the screen when transitioning rooms
  • Fixed some exit issues with Core encounters
  • Fixed an issue that could cause Penance to not show as “discovered” in the Journal
  • Selt can no longer pick up bombs after dying
  • Black Rabbit chest game has been fixed to no longer leave floating locked chains if you pull the lever that destroys the chests
  • Caustic Vial now detonates even if the enemy was killed in one attack
  • Fixed some numeric font consistencies across different languages
  • Fixed a display issue that could cause your windowed resolution to get stuck at 1x1
Other Changes:
  • Bosses now appear on every run. The summoning stone can still be obtained by defeating all bosses on a single run.
  • The run seed is now displayed on pause menu and the game over screen
  • All constellation relics now mention that they are temporary
  • Red Hot Nuggets now has a visual effect applied to gold
  • Spatial Sickness now uses the unified warp effect
  • Tus now has a pet
  • Many changes have been made to how random events occur. Most things now obey the run seed, making runs far more deterministic.
  • The shortcut between the Dungeon and Halls is now permanent if the player opens it
  • You can no longer pickup potions while drinking
  • Nether can now be crafted at the Gatekeeper by default, no longer requires a blueprint
  • Tent now restores the player to full health and is no longer considered a heal
  • Large enemies will fall into pits less often
  • Removed proc audio from Mushroom
  • Removed proc audio from Sagitta
  • Removed the delay between peeping a skeleton and it dropping treasure
  • Reduced the amount of decimals displayed on the stats tooltip
  • When Sho’Guul runs out of legendary relics he will offer Hot Crossed Buns
  • Rook and Bish Fish should spawn less frequently
  • Large Ember, Phoenix’s Radiance, and Immolate have had their visual effect changed to better indicate their radius
  • Resurrection now has audio
  • Craftsmanship and Sewing Kit will no longer drop if the goldsack has been fully upgraded (unless they have never been discovered)
UnderMine - Thorium
Hello peasants!

It's been a minute. I know it looks like we haven't done much in a while, but we've been working hard on all sorts of things. We got the Switch and PlayStation versions out. We have an upcoming physical release that will be announced later, new merch is on its way, and of course: UnderMine 1.2!

UnderMine 1.2 WHIP will release on August 6th, which happens to be UnderMine's one year anniversary!

If you're familiar with our updates you know that we do an official preview that calls out some highlights of the update. You can read that here: https://undermine.game/undermine-120-whip-update

We'd like to give a special shout out to our Discord community for their help testing and balancing this update. We really appreciate the dedication everyone has shown to UnderMine and the WHIP game mode.

UnderMine Turns 1

Our goal was to try and coordinate a major update for the first year anniversary, but we also wanted to do a few other things.

UnderMine will be on sale for 50% off on all platforms. Unfortunately we couldn't time all the sales to be the same but here is the run down:
  • Steam: Aug 7th - Aug 14th as part of the Yogscast Tiny Teams event
  • Humble: Aug 7th - Aug 14th
  • Switch: Aug 7th - Aug 13th
  • Xbox: Aug 10th - Aug 16th
  • PlayStation: TBD (We're still working with Sony)
PicoMine has been on hiatus, but we'll be finishing it up soon and hopefully dropping it on or around the anniversary.



New merch is in development with Dual Wield Studio and should be available soon. And if you can't wait we still have pilfers available.

We're also working with the community to put together a streaming event. More information on that soon!

If you would like to keep up with any of these things the best way to do so is following us on Twitter. Full patch notes will be available on the 6th along with the update. Until then, stay gold peasants!

- Thorium
UnderMine - Thorium

We've been working incredibly hard over the last few months preparing UnderMine for the Nintendo Switch, and today it finally comes out! We made painstaking effort to make sure it runs perfectly. UnderMine on the Switch runs at a smooooth 60FPS both docked and undocked. Now you can play in bed, on the bus, or in the bath! Live your best life. Peep it on the Nintendo eShop at the link below.

https://www.nintendo.com/games/detail/undermine-switch/

Lunar New Year Sale
In other news, UnderMine is 30% starting today as part of the Steam Lunar New Year sale!

https://store.steampowered.com/app/656350/UnderMine/

PicoMine
We're also currently jamming on a fun side project for the Pico8 called PicoMine. Design is not final, but for now it is an endless runner with elements from UnderMine. You can follow our progress on Twitter or Discord.



And don't worry if you're a PlayStation fan. We're working on the PS4 port as well, and it should be done pretty soon 😉

- Thorium
UnderMine - Thorium


Bug Fixes
  • Fixed a crash that could occur when loading a save file with an invalid familiar equipped
  • Updated a few typos and misspellings in the localization database
  • Fixed a rare crash that could occur if checking an Entity’s validity on the same frame it was destroyed
  • Fixed an input issue that would prevent you from moving if you took damage on a specific frame of the throwing animation
  • Fixed a memory leak in the animated enemy portraits in the Journal
  • Fixed an issue that would cause Core rooms to spawn in the Bog in Othermine
  • Fixed a problem with Helios Boots that would cause them to not ignite enemies
  • Fixed a problem with Goblin landmines that would cause them to plant duds that would not explode via proximity to the player
  • Disabled UI raycasting on the potion slot indicators which could cause them to show an invalid tooltip if moused over with no active potion
  • Tus now offers you Hot Cross Buns if no other relics are left in the pool
  • Fixed an issue that would cause the Queen’s Guards to still damage you, even though their spears were lowered
  • Poison Flower trap now scales its damage correctly in Othermine
  • The secret tribute fountain encounter can no longer spawn in Othermine
  • Fixed a performance issue with the Hayfever curse
  • (Linux, Mac) Fixed a text rendering problem that could cause text to stop rendering in parts of the UI
...

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