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
- PEE IS STORED IN THE BALLSby InfomantisThis was an important alchemical discovery76 downloadsupdated 9 y ago
- TRIPLEX FIRE-LESS PRIMESby PacifistMimeTriplex bonds between fire bonds have been found to persist even through transmutation processes, allowing to create strong bonds among other primes as well. IMPORTANT NOTE to any alchemists attempting to create them: Triplex bonds are sensitive to the order in which they are created.76 downloadsupdated 9 y ago
- GASOLINEby EE e. It's in the ERoughly based on hydrocarbons found in actual gasoline. Intermediate puzzle with no real tricks, good room for working on scores.76 downloadsupdated 9 y ago
- SWAP4by myugarumy best cost 40 cycle 28 area 14 News cycle 26 by winglye75 downloadsupdated 3 y ago
- INVERSE PROOF OF COMPLETENESSby MID24675 downloadsupdated 4 y ago
- SLUG VENOMby RangutangWhat to do wtih all that extra salt?75 downloadsupdated 9 y ago
- Salt reagent (QTT 3)by Tat011"We're interested into the viability of turning salt water to quintessence, again, make sure not to waste materials."75 downloadsupdated 22 mo ago
- BERLO VAN STRANDSby Signi Sot75 downloadsupdated 8 y ago
- Bipartite Alcohol (Disjoint Alchemy 1.4)by 76561199057291573START HERE: Reagents: Bipartite Salt Products: Bipartite Alcohol ========================================= [ Professor Genea Talma's Disjoint Alchemy Class ] PROF. TALMA: Now, I trust that you've all read the first two chapters of the textbook, so instead of a lecture, I'd like to have you all te...75 downloadsupdated 7 mo ago
- PLASTIC75 downloadsupdated 3 y ago
- LOCAL ANAESTHETIC75 downloadsupdated 3 y ago
- Necromancer's Totemby 76561198366943304These staffs, created by the necromancers, allow for the manipulation of the barrier between life and death. The problem is that the staffs are fragile, having only one use. Because of this, necromancers have multiples on hand at any time. The rich have been buying these in mass in order to commu...74 downloadsupdated 7 y ago
- CRYSTALLINE SYMPATHY CONVERSIONby Gacier74 downloadsupdated 8 y ago
- 114514by Ichirou Kawashima74 downloadsupdated 9 y ago
- FOOL'S GOLDby PallandoziPallando : Can you make some Fool's Gold for me? Anataeus Vaya : Why would I make fake gold, when I can make real gold? Pallando : Perhaps it is quicker? Anataeus Vaya : This is some political scheme, isn't it, to make someone else look a fool? Pallando : If that is what you want to think, why no...74 downloadsupdated 9 y ago
- Potion of InvisibilityPart of a collection I'm making for DnD players to enjoy. This potion's container looks empty but feels as though it holds liquid. When you drink it, you become invisible for 1 hour. Anything you wear or carry is invisible with you. The effect ends early if you attack or cast a spell.74 downloadsupdated 5 y ago
- OLYMPIC ALLOYby 76561198837780345Why didn't you make this73 downloadsupdated 5 y ago
- UNIVERSAL REAGENTby nyxThe output you're tasked with creating can, with proper equipment, be broken down and turned into any other element.73 downloadsupdated 6 y ago
- Hexangonal Ringby vizthexA wealthy man has asked you to make him a fancy ring for his fiancée. He wants there to be some gold in the centre as well, but the surrounding can be whatever metal you think is best. You've decided on Tin, because it's cheap and easy to make; but the side are embedded with Copper to help offset...73 downloadsupdated 8 y ago
- DAYAFAR'S MESHby Tzaphqiel73 downloadsupdated 9 y ago
- MIXED-UP MOLECULESby AlcatorCan you fix these incorrectly combined molecules? Difficulty: Easy.73 downloadsupdated 8 y ago
- SNOWFLAKE CRYSTALby 76561198375746173Item Level: 21 Category: (Metal), (Gem) Category Value: 20 (+Size Bonus) A piece of crystal in the shape of a snowflake, crafted with metal and ice gem fragments. Has a strong elemental ICE power and is widely used in advanced bombs, accessories and atelier item conservation. Component color vari...73 downloadsupdated 9 y ago
- Metallurgist's Wheelby Wicked Mab73 downloadsupdated 9 y ago
- Material SalvageBreak week puzzle of the 2025 Opus Magnum Tournament "Scoring" solves Showcase solves73 downloadsupdated 20 mo ago
- MAGNETIC WIREby HalloerikUsing the inherent attractive forces between Mort and Vitae, one can make a strong wire with magnetic properties. This wire can further woven or smithed into sheets useful for membranes in various applications in Industry or Textiles.72 downloadsupdated 9 y ago
- BRAZING CATHODEby zorflaxAlas, the poor alchemist didn't survive long enough to have their story told in the lore section of the 11th 2022 weekly puzzle. Their pet turtle found a new home though, so that was cool.72 downloadsupdated 4 y ago
- Steel Wool Negativeby one oneZacharie, the alchemist lost to time, once had a very strange idea: taking a string of several different kinds of metals and producing an exact copy of it, but 'inverted': The lesser metals become the greater metals and the greater metals become the lesser metals. honestly, if you can make a solu...72 downloadsupdated 9 y ago
- AerogelAlthough naturally occurring in nature, aerogel's rarity makes it a commodity commonly synthesized through alchemy. Due to it's use in myriad complex components, some alchemists make a living simply on synthesizing aerogel.72 downloadsupdated 5 y ago
- POISON DARTby Glass-Lady71 downloadsupdated 3 y ago
- TRIFORCE CREATIONby ]Holy_Platinum[71 downloadsupdated 8 y ago
- GOLDEN ROADby GeneosisSome believe this is the road to a greater life... Others just consider it a big waste of money! Here is my unoptimized speed-oriented solution (1195, 83, 661): Thanks to the Puzzle Editor for making this level possible ;)71 downloadsupdated 3 y ago
- RAT POISON TO VIVIFYING DRINKby transcendentalConstant314HELP! WE MADE TOO MUCH RAT POISON AND WE'RE SHORT ON VIVIFYING DRINKS. THIS IS AN EMERGENCY! PLEASE FIX THIS PRONTO!71 downloadsupdated 3 y ago
- Crystallized AirWeek 5 of the 2025 Opus Magnum Tournament Results stream71 downloadsupdated 20 mo ago
- A LITTLE TREAT FOR THE SOVVERby 7656119881270019570 downloadsupdated 3 y ago
- ALNAJMby Flo'70 downloadsupdated 8 y ago
- Artificial Snowby Merkury70 downloadsupdated 9 y ago
- QUICKSILVER BRONZINGby Tzaphqiel70 downloadsupdated 9 y ago
- Iron to Gold (Capsule)by a genuine MiloTry and purify the iron into gold, without breaking the outer lead shell. Be warned, this is difficult and very finicky. I managed it in 188 cycles, ~1000 cost, 360 area (and that is with 20 arms!!) but my solution is no where near optimal. Good luck :)70 downloadsupdated 6 y ago
- SLOW GOLDby Mitch RocksSeems you've run fresh out of quicksilver there! Better hoard up some silver in the mean time, you can make it gold later.70 downloadsupdated 8 y ago
- SALT HARVESTby NEURO FUZZY70 downloadsupdated 9 y ago
- ROSE GOLDby Jurk0wski70 downloadsupdated 9 y ago
- VORTEXby Sentou70 downloadsupdated 9 y ago
- HIDDEN LAYERby 76561198375746173It's a simple production - separate quintessence and bond them for output. But you will need to find a trick for the production chambers to work.70 downloadsupdated 9 y ago
- IRON ARROWby Wulf()()70 downloadsupdated 4 y ago
- LAW OF NONCOMMUTATIVITYby 89oThis classical alchemical reaction illustrates one of the fundamental laws of alchemy taught to every novice alchemical engineer: the law of noncommutativity. It states that the order of transmutations can influence the molecular mass of the final product, and is illustrated here via two reagents...69 downloadsupdated 5 y ago
- BENZENEby BenzenPenxil69 downloadsupdated 7 y ago
- Luminescent Paintby AxleThis popular substance is known for its special "glow-in-the-dark" properties. Due to the presence of quintessence, the fluid is able to emit a neon-like glow on its own. Reagents: - Silver Lustre - Elemental Salt Glyphs: - Bonding + Multibonding - Unbonding - Calcification - Duplication - Purifi...69 downloadsupdated 9 y ago
- COLOUR PHOTO EXPOSERby hydro-guppy[JP]Recent series of discovery in optics, we found way to take photography in color. But there's just two problems putting this mass-production--- 1. How to product three slightly different exposers efficiently. 2. How to use more common and lower valuable metal. Thanks to cleaver alchemists and engi...69 downloadsupdated 9 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.

