Opus Magnum
Opus Magnum mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
653 mods, most downloaded first · newest update 22 Jul 2026
- HEAVY METALby Wulli69 downloadsupdated 5 y ago
- QUINTESSENCE LIQUORby MettkingHigh Society will pay anything if you can make it sound fancy enough. How much can you make off a fine drink made from pure quintessence?69 downloadsupdated 7 y ago
- SIMULACRUM69 downloadsupdated 3 y ago
- MEDUSA'S ACIDby 76561198412912726Due to slow reactions with airborne particles, canisters of Medusa's Acid slowly generate tendrils of silvery smoke, which writhe under its liquid surface--thus the name. Unlike most mors-containing acids, Medusa's Acid does not react with elemental vitae, yet is highly corrosive. This makes the...68 downloadsupdated 4 y ago
- FAST THREADby PMBELLHow fast can you make the thread move? One hex per cycle is easy, but is it possible to move faster?? Your reagents are smaller threads for convenience, but also some solid gold in case you definitely need the extra materials. Never mind about the setup time or costs, just get that thread moving...68 downloadsupdated 8 y ago
- POTION OF FIREBREATHINGby DraconixThis is a recipe for a potion of Firebreathing my GM came up with for our D&D campaign. Said he'd make it quicker to make the potions if I solved it. Well I did, here's the puzzle for you to enjoy as well.68 downloadsupdated 8 y ago
- ESTUS FLUIDby monkyboyjCan you create this potent liquid with hints of Life, Death and the essence of Fire...68 downloadsupdated 9 y ago
- Vintage Engines: Distilled Waterby BrotherMojoPart one of a series on the development of early transmutation engines. Nowadays, it's difficult to even conceive of what the world would be like without readily available alchemical transmutations, but it was not that long ago that such manipulations required the valuable time and effort of an a...68 downloadsupdated 6 y ago
- ARTIFICIAL BLOODby Cauliflower68 downloadsupdated 6 y ago
- Organic Membraneby Taylor LovelaceThis is the latest innovation in bioalchemical science, a layer of atoms that replicates the outer layer of a cellular wall. Your production of this synthetic membrane will greatly help to advance the fields of biology and medicine, as its research potential in these fields seems boundless. If an...68 downloadsupdated 7 y ago
- THERMAL FUSE68 downloadsupdated 3 y ago
- CHUNKY MORS68 downloadsupdated 8 mo ago
- Hydrophobic WaterWeek 1 of the 2025 Opus Magnum Tournament Results stream68 downloadsupdated 20 mo ago
- CONDUCTOR CABLEby magna2s67 downloadsupdated 6 y ago
- THE WORLD PARTICLEby jefkinIn the earliest days of alchemy, the practioners aimed for the simplist, the quickest solutions, a salve here, a poison there, as time was often of the essence. But in the second age, they grew dangerously powerful, taking the time to really learn the extents of their arts, pushing the envelope....67 downloadsupdated 8 y ago
- DECONSTRUCTING HAIR PRODUCTby PaznosAn unattended alchemical device has caused an excess of hair product to be made, reverse the process inorder to recoup our losses and regain the lost base elements.67 downloadsupdated 9 y ago
- EASY PUZZLE-STEAMby Unleashedeasy puzzle for beginners. Make Steam by heating up some water.67 downloadsupdated 9 y ago
- FESTIVE LIGHTSby CaeThe winter festival is more than a month away, but your neighbors are already decorating their windows with festive alchemical lights. Follow suit or face being ostracized by your community!67 downloadsupdated 9 y ago
- JEWELRY CHAINby CaeYou've created some beautiful crystals and gems -- solitaires deserving of equally beautiful chains from which to hang.67 downloadsupdated 9 y ago
- CLOCK SPRINGby Tzaphqiel67 downloadsupdated 9 y ago
- EXTRACT THE GOLDby TheRabidWalnut67 downloadsupdated 9 y ago
- Homocyclical Catalystby 76561198355072040For bulk manufacturing of various complex compounds of certain industrial or commercial interest, a handful of new chemical processes are continually developed which allows for synthesis of such compounds to bypass the alchemical engine entirely. Utilizing intricate reaction pathways between prec...67 downloadsupdated 3 y ago
- SILVER IN THE EARTHby SpukkyA simple puzzle but with a limited supply of reagents and glyphs.67 downloadsupdated 6 y ago
- TABLE SALTby KreoxTable salt is made for the masses, and therefore must be produced in great quantaties at great speeds. Due to this, Salt Industries has recently offered a reward to any alchemist that can figure out how to make table salt at the highest speed possible given three single-salt reagents.66 downloadsupdated 9 y ago
- DECONSTRUCTING ALCHOHOL SEPERATIONby PaznosA talented alchemist could synthesise base elements from alchohol, however a despondant alchemist could always reverse the process to sythesise their own alchohol.66 downloadsupdated 9 y ago
- Armor Scaleby stormageddonA recent collaboration between the Blacksmith's guild and an unspecified alchemist has developed scalemail. Supposedly the unusual pattern of scalemail leads to increased resilence against projectiles compared to chainmail.66 downloadsupdated 9 y ago
- REACTOR FUELby SimandMy initial score: 175/408/79 I'm pretty sure there is a lot of potential for optimization, but I'm busy playing Sigmars Garden.66 downloadsupdated 9 y ago
- EMERGENCY SALINEby NubrakeSt. Eadric Hospital, Chapter 1: Emergency Saline St. Eadric hospital is looking to hire alchemists, and for their first job to solve their saline shortage. Reserves are running dry, just like the patients waiting for transfusions. They can provide clean water for the transmutation. Restore the pa...66 downloadsupdated 8 mo ago
- STEEL CORDby kissmyashe66 downloadsupdated 4 y ago
- Lexiconiteby transcendentalConstant314If you ever wanted a material that tells you the alphabetical order of the fifteen elements, this product is just for you! Suggested metric: Height.65 downloadsupdated 4 y ago
- PROOF OF OPPOSITIONby 76561198883255743This experiment lead to the discovery of Quintessence, along with the Quintessence glyphs. Combining stabilized elements in an environment that was conducive of the aether made the aether pop out as an atom. A very simple puzzle similar to the journal puzzle "Proof of Completeness", and seeing ho...65 downloadsupdated 6 y ago
- Revitalizing Teaby PackbatWhile this beverage has some popularity as a working person's drink, usually diluted in hot water, many claim that its supposed wakefulness properties are just a side effect of the bitter taste. --- Created as part of a series of Opus Magnum puzzle creator streams on Twitch at - archives of video...65 downloadsupdated 8 y ago
- Patent Medicineby PackbatIn spite of the growing controversy about the safety of quicksilver-based treatments, quite a few of these medicines are still widely available and fiercely defended by those who use them. --- Created as part of a series of Opus Magnum puzzle creator streams on Twitch at - archives of videos on Y...65 downloadsupdated 8 y ago
- EXTRACT CH4 W/ N2by ChadorbagiBased on real technique of substitution of Methane with Nitrogen gas65 downloadsupdated 8 y ago
- Two-Part Adhesiveby dn panic"Two-Part Adhesive" is inspired by Invisible Ink, and it has the same sort of symmetric structure. The big difference is you have to produce two Vitae/Mors pairs instead of one.65 downloadsupdated 9 y ago
- SILVER THREADby xyzzyTry to make a fine silver thread as fast as you possibly can!65 downloadsupdated 9 y ago
- VAPOR CONDENSERby Tzaphqiel65 downloadsupdated 9 y ago
- PITCH DROP EXPERIMENTby 76561198412912726Week 1 of Opus Magnum Weeklies 2024 Metrics: (Period/Rate) > Period > Cost; i.e. number of times your machine loops through the instruction tape per output65 downloadsupdated 2 y ago
- LATCH-HOOK FIREWORKS65 downloadsupdated 3 y ago
- The Codex of Alchemical Engineering Remastered: Elixir of Lifeby SpearkaYou force open the door, its rusted hinges shattering on the slightest act of force. You take a moment to consult your journal to see if you have come to the right place; very few books tell of the tale of the very first Codex, you cross-reference your location, your fingers trembling at the pros...64 downloadsupdated 8 y ago
- Warming Compoundby PackbatA sachet of these crystals, when crushed, will produce a steady heat over an extended period of time, acting as a heat pack or handwarmer. --- Created as part of a series of Opus Magnum puzzle creator streams on Twitch at - archives of videos on YouTube at64 downloadsupdated 8 y ago
- Forensic Mistby PackbatThe constabulary, like several other parts of the city government, has its own alchemist to develop substances of aid in the investigation of crime. One of the most useful of these was an easily-aerosolized liquid that sought and clung to traces of blood at the scene of assault or homicide. --- C...64 downloadsupdated 8 y ago
- Purple Dyeby PackbatSoon after the revolutionary synthesis of quintessence by university professor Henly Servin, many experiments were made to seek commercial uses for this new alchemical element. --- Created as part of a series of Opus Magnum puzzle creator streams on Twitch at - archives of videos on YouTube at64 downloadsupdated 8 y ago
- QUADRIGRAM ASSEMBLYby kyojin_desu64 downloadsupdated 8 y ago
- INFLATABLE WATERby hydro-guppy[JP]At first, this fragile compound developed for weaponry. Its production is much cheaper than ordinal gunpowder, and with a right catalyst, it easily turned into cloud of super heated steam. So militarists thought it can be used for holding up enemies by heavy scald. Now such war age had gone so fa...64 downloadsupdated 9 y ago
- CUT-PROOF THREADby WyrframeA simple starter puzzle. Create a string of iron-reinforced cross-stitched thread. Careful with the bonding pattern, it's not as easy as it might first appear.64 downloadsupdated 9 y ago
- STABILIZED GOLDby zorflaxThis was created by Grimmy for the 2022 weeklies. Most metrics are very straightforward, but try and see if you can work out min cycles.64 downloadsupdated 4 y ago
- CRYSTAL COMPRESSIONby 76561198815527595when the crystal is compressed bottom text64 downloadsupdated 5 y ago
653 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.

