Steam app 1869780 · updated 12 Sep 2026, 19:56 UTC
Delve into the dangerous, ever-shifting labyrinth that is the Undermine. Discover, craft, and combine hundreds of unique items. Pair them with an ever-expanding roster of distinct playable characters for a new run every time! Grab a partner and uncover UnderMine 2's secrets together in local co-op.
716 hourly samples, with the daily peak drawn over them. Weekends are shaded.
15 months, July 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 435 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.
UnderMine 2 was released on 22 Jul, 2025.
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A blank audio cell means full audio was not marked in the returned language list.
56 achievements in total.
33 developer announcements, Apr 2024 to Aug 2026 · times in UTC
Sho’guul makes a chaotic return to the Undermine! And he brought a frien…emy?? What is dark without light? Yin without Yang? Enter Order, Primordial Impetus, demonic counterpart to her brother Sho’guul. Together they keep the universe in…
ThoriumUnderMine 2 0.8.0 Demon Rivals PreviewUnderMine 2's fifth major update is nearly here! Sho'guul returns to UnderMine 2 in 0.8.0 Demon Rivals, but this time he isn't alone. His sister Order vies for your favor and offers her own legendary…
ThoriumWelcome to 0.7.5 Lunar Magic! UnderMine 2 grows larger once again with the new playable character: Minerva, a fully functional Orrery, major updates to the Journal such as the Bestiary, four new achievements, and a slew of other…
ThoriumWe're not late! It is still technically spring and with it, comes the spring newsletter. We've been busy in the first half of the year, releasing two major updates. In case you missed them, The Roost added Familiars, and Duskfall added a…
ThoriumWelcome to 0.7.0 Duskfall! This is UnderMine 2's biggest update yet. Discuss these notes with other players and the developers on Discord!New Content The DuskfallThe goblins have been busy! We’ve added a new starting zone called The…
ThoriumAre you prepared for Duskfall, Peasants?UnderMine 2 0.7.0 is possibly the biggest update we have ever brought to an UnderMine game. It features a whole new starting area, a new boss, new enemies, an end game challenge mode, and much much…
ThoriumPeasants! 0.7.0 Duskfall has been uploaded to the TestMine. You can try it now! Keep in mind that versions of the game on TestMine are a little buggier and less stable. We really appreciate your help testing these early versions of the…
ThoriumPeasants! Update 0.6.0 The Roost is out now! Welcome to the Roost, home of a fan favorite feature, the familiars. Discuss this new update with other players or the developers on Discord. New Content The RoostThe Roost is an unlockable room…
ThoriumWelcome Peasants! Get ready to unlock the Roost!UnderMine 2 0.6.0 has been cooking in the TestMine for a couple of weeks and is nearly ready for release. 0.6.0 includes some big new features such as: The Roost - a home for your helpful…
ThoriumHappy Friday Everyone! We just deployed 0.6.0 to the TestMine branch. If you've never used TestMine before, it is a dedicated branch to test updates before they are officially released. This means there may be more bugs and the experience…
ThoriumHappy 2026, peasants! It's a little late, but it is technically our first update of the year. Welcome to our new UM players, fresh off of the Winter sale and welcome back all our older players. You all ready for some news? Because we have…
ThoriumTwo updates in the same month!? We are currently hard at work on our next big update which will feature fan favorite familiars, but we wanted to get something out for the holidays. We really enjoyed working on this small, self-contained…
ThoriumPeasants! Update 0.5.0 The Well is out now! Welcome to 0.5.0 The Well! Below is a set of comprehensive update notes. If you'd like to discuss these changes with the developers or other players, please visit us in Discord.New ContentThe…
ThoriumWelcome peasants to the Well! UnderMine 2 0.5.0 is nigh. It has been available in the TestMine for a little while, but now is ready for primetime. 0.5.0 offers new features, content, and other updates such as: The Well - an endless…
ThoriumThe next UM2 update is nearly here, but not yet! What if I told you, you can play it right now?Behold, TestMine! Our private test branch that anyone can join. You can play the latest version of UnderMine 2 and receive quick, weekly updates…
ThoriumUnderMine designer Clint Tasker will host a Dev Stream this Friday (November 7th) @ 10am PST. There was just an annoying daylight savings change so that PST is important. Find out what it means to you: Time Zone ConverterHe will preview the…
ThoriumYou can now purchase UnderMine 1 and 2 as a bundle. The Complete UnderMine bundle offers a 10% discount in addition to any discounts applied to either game! If you already own UnderMine, now is your opportunity to get UnderMine 2 for 10%…
ThoriumBug Fixes- Fixed a crash that could occur when opening Wayland's crafting menu with too many Relics in it- Pale Kernels, Rabbit's Tools, Raincaller, and Witch's Brew are now correctly costed in all contexts- Holesome no longer gives you…
Patch notesUpdate 0.4.0 The Burning Eye is out now! Welcome to 0.4.0 The Burning Eye! Below is a set of comprehensive update notes. If you'd like to discuss these changes with the developers or other players, please visit us in Discord. New…
ThoriumWelcome, Peasants, to the Burning Eye!UnderMine 2 0.4.0 is nearly here, and it's about to expand what you expect from UnderMine with a new playable character: Inquisitor Danté of the Burning Eye. Along with a new character, we are adding 2…
ThoriumWelcome to UnderMine 2's near-term roadmap. We have a lot of planned features we'd like to add, and this will give you an idea of their priority. Please note: some features from the original UnderMine, seemingly missing from UnderMine 2…
ThoriumUM2 - Ver 0.3.2 - (Very) Small UpdateBug FixesQueen's Ticker now becomes un-filterable while making its dash towards Queen's Rock, so that your other followers won't try to target it.Liquifier can no longer turn the Imprisoned Ancient in…
Patch notesHey everyone, In this update we specifically want to address early player feedback. On the discussion boards and in Discord we mentioned possibly playing around with meta-progression changes, but have backed away from those based on your…
ThoriumUnderMine 2 - Hot Fix Update - Version 0.3.23933Balance ChangesThe Pilfer Shop is now unlocked on Mine 1.Swindler's coin is now rare and its activation cost has been increased from 10 to 15 mana.Other ChangesQueen's Office (Room with the…
Patch notesEarly Access is here!Welcome to UnderMine 2, Peasants!It's been four years since our last update to UnderMine. A lot has happened, a lot has changed. Here we are, though, on the precipice of a new adventure! We're incredibly excited to…
ThoriumHello Peasants! We just wanted to let you know that UnderMine 2 will launch into Early Access at $19.99 USD and will have a launch week discount of 10% off. Of course, if you are in a region other than the United States the price will be…
ThoriumUnderMine 2 in Ukrainian!We're very happy to announce that we will be offering a Ukrainian translation for UnderMine 2. The UA version of the game will be available at release on July 22nd. May this game bring a little joy to the people of…
ThoriumWelcome to Next Fest, peasant!Steam Next Fest June 2025 has begun, and we're stoked to be participating! The UnderMine 2 demo is available for download right now right here: Let us know what you think on the Steam discussion boards or in…
Thorium{STEAM_CLAN_IMAGE}/44971839/cb8e6a55556c3abe432bae0f5210f39f40938c13.png Hello peasants! We're releasing a demo of UnderMine 2 ahead of June's Next Fest! The demo releases May 29th and will include the following: The Prologue and Tutorial…
ThoriumUnderMine 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…
ThoriumEDIT: 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…
ThoriumWe 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…
ThoriumWe 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/ Building on the best aspects of UnderMine…
ThoriumWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | UnderMine2.exe | windows 64 |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | Thorium Entertainment/UnderMine2/{64BitSteamID}/Saves | *.json |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG