ModsOpus 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
- Quantum Unbonding (Disjoint Alchemy 1.2)by 76561199057291573START HERE: Reagents: Tripartite Salt Products: Elemental Salt ========================================= ⓘ In order to separate a disjoint molecule, you must use the Glyph of Bonding to create a regular bond, then use the Glyph of Unbonding. This will cause the entire molecule to separate. =====...88 downloadsupdated 7 mo ago
- [CRR #10] The Adaptive Indicatorby Gym RatThe Codex: Puzzle #10 This is tenth and last in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Synthesize liquidum indicabile, an indicator solution, with a salt of sodium and phosphorus, hydrochloric acid and distilled alcohol. Difficulty: Reasonably challenging [7.6/10] r...87 downloadsupdated 6 y ago
- [CRR #7] Rediscovering Phosphorusby Gym RatThe Codex: Puzzle #7 This is seventh in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure phosphorus and two byproducts of the reaction — one, a gas, and the other, a salt of silicon. You must accomplish this task with sieved sand (represented by the lead–earth–air mol...87 downloadsupdated 6 y ago
- [CRR #6] The Reactivity Seriesby Gym RatThe Codex: Puzzle #6 This is sixth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Your task is to construct a thin alloy sheet composed of layers of metallic elements in the order of the reactivity series. You must accomplish this task by transmuting the metals in a give...87 downloadsupdated 6 y ago
- 11. BASIC SNOWby Peter StrikeIn a world of magic-like-powers, people without these abilities have resorted to alchemy inorder to keep up with ones that do. The last secondary elements is snow, a beautiful, but delicate power that drains the life out of surrounding heat. It is one of the six known secondary elements, obtained...87 downloadsupdated 8 y ago
- 10. BASIC MAGMAby Peter StrikeIn a world of magic-like-powers, people without these abilities have resorted to alchemy inorder to keep up with ones that do. The next secondary elements is magma, a slow but unstoppable force as it burns all within its wake. It is one of the six known secondary elements, obtained only by mixing...87 downloadsupdated 8 y ago
- FIREFIGHTERby 76561198344932900Oh no, It's on fire! Please save the Earth with your alchemical power! :D87 downloadsupdated 9 y ago
- TAME THE FIREby ScyA simple calcification... or is it?87 downloadsupdated 9 y ago
- Silver Ring - Productionby eunomiczenithSilver is cheaper than gold, and a small production cabinet is cheaper than a big alchemical engine.87 downloadsupdated 3 y ago
- CLEAN FUEL GENERATORby Blue Hexagon87 downloadsupdated 6 y ago
- HYDROPONIC SOLUTIONby dn panicWeek 3 of the 2023 Opus Magnum Tournament. METRICS Cost > Area > Cycles Cycles > Cost > Area REAGENTS Essence of Cold Elemental Water PRODUCTS Hydroponic Solution Mikael Eltus Hey. Alara Fen Mikael?! How did *you* manage to get on board? Mikael Eltus Sorry for not letting you know earlier. We nee...87 downloadsupdated 4 y ago
- Water Deleadeningby vizthexYou're not yet done with that water you were asked to make. Before presenting it to the client, you must purify it so they don't get lead poisoning.86 downloadsupdated 8 y ago
- 9. BASIC CRYSTALby Peter StrikeIn a world of magic-like-powers, people without these abilities have resorted to alchemy inorder to keep up with ones that do. The next secondary elements is crystal, a ridged structure thought to be next to unbreakable. It is one of the six known secondary elements, obtained only by mixing two o...86 downloadsupdated 8 y ago
- GOLDEN RINGby Kyle, 49, From TexasWord has gotten about of how alchemists can turn metals to gold, but surprisingly you've been approached by someone looking to restore a family heirloom. Will you help them?86 downloadsupdated 9 y ago
- GREEN VITRIOLby zorflaxThe rich greens and the salts dance in a vibrant waltz The quicksilver exalts the lead, giving it life To join its chiral wife in mechanical strife But nothing gets past her divine puppet master His great clockwork pasture spans out to the countless Its beauty surrounds us, its potential boundles...86 downloadsupdated 4 y ago
- WASTE RECLAMATIONby dn panicWeek 2 of the 2023 Opus Magnum Tournament. METRICS Trackless Instructions > Area > Cycles Height > Cycles > Cost REAGENTS Filtered Waste PRODUCTS Essence of Heat Essence of Cold Solutions with track are not considered for the Trackless Instructions metric. Instructions are counted with reset and...86 downloadsupdated 4 y ago
- BICRYSTAL TRANSCEIVERby dn panicWeek 6 of the 2023 Opus Magnum Tournament. METRICS Rate > Cost > Instructions Area > Cycles > Cost REAGENTS Exotic Metalloid PRODUCTS Bicrystal Transceiver The Rate metric waits for a solution to enter a repeating steady state, then compares solutions by the length of the repeat period divided by...86 downloadsupdated 4 y ago
- END GAMEby dn panicWeek 0 of the 2023 Opus Magnum Tournament. (This puzzle was optional and didn't affect your tournament score.) METRICS Rate > Steady State Area > Cost Area > Cycles > Cost Solutions which continue to gain area forever do not have a Steady State Area and are not considered for the Rate metric. Ala...86 downloadsupdated 4 y ago
- Elemental Necklaceby vizthexA women came by your laboratory today and asked if you could make a gold-plated chain for her new necklace. Realizing that the jewel she handed you to bind was the same jewel ( ) that the fellow from yesterday had asked you to make, you agree; pondering why the man from yesterday didn't have you...85 downloadsupdated 7 y ago
- GLYPH OF DISPERSIONby 89oAs much as unification is an important part of the opus magnum, dispersion is required for a transmutation engine to be alchemically complete. Therefore, you shall create the glyph of dispersion out of elemental salt. By misotanni.85 downloadsupdated 9 y ago
- GLYPH OF ANIMISMUSby 89oNow, creating glyphs of transmutation is not as simple as creating glyphs of transfiguration. Start by using elemental salt to create a glyph of animismus. By misotanni.85 downloadsupdated 9 y ago
- UNSATURATED CONFLAGRANTby zlotapThis puzzle uses no Glyphs or Mechanisms introduced later than Chapter III: Alcohol Separation. Glyphs and Mechanisms: - Glyph of Bonding - Glyph of Multi-bonding - Glyph of Triplex-bonding - Glyph of Unbonding - Glyph of Calcification - Glyph of Duplication85 downloadsupdated 9 y ago
- Chili saltby Suno"Okay so we REALLY need some chili salt for our menu... So could you please make some? We are on a quite tight budget so we could only afford fire. Sorry!" -Tommy Difficulty : Easy.85 downloadsupdated 7 y ago
- BIOSTEEL FILAMENTby dn panicWeek 4 of the 2023 Opus Magnum Tournament. METRICS Sum4 (Cost + Cycles + Area + Instructions) Area > Cycles > Cost REAGENTS Essence of Heat Elemental Iron PRODUCTS Biosteel Filament "If you see one with red armor, don't even bother. Just run." - Anonymous post, plaza messageboard85 downloadsupdated 4 y ago
- Spent Crystal Recyclingby rich_27Alchemists have long found that Timing Crystals denature after some considerable use. Gone are the days of wanton excess when spent crystals would be discarded without a care. With close observation and meticulous oversight increasingly looming over many an alchemist's work, the need for reproces...84 downloadsupdated 6 y ago
- [CRR #4] Trēs Salēsby Gym RatThe Codex: Puzzle #4 This is fourth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure the alchemical triumvirate of insoluble salts (potassium iodide , magnesium nitrate , sodium chloride ). You must accomplish this task with an unknown nitrate, lead and quicksilver...84 downloadsupdated 6 y ago
- GLYPH OF TRIPLEX-BONDINGby 89oThe next step in creating the glyphs for your transmutation engine is to design a glyph of triplex-bonding. Create one out of elemental fire. By misotanni.84 downloadsupdated 9 y ago
- RING INVERSIONby GuiltyBystander84 downloadsupdated 9 y ago
- Unstable Quintessenceby Aurora_Arialis_0237(Made using the lovely puzzle editor found here: :333) ======================================================================== Early forays into the search for quintessence are scarcely spoken about these days due to the disaster unfurled upon the Imperial Era that followed after the discovery t...84 downloadsupdated 7 mo ago
- WARMING THREADby WheatNeutralize triplex-bound Fire atoms with Mors and Vitae to produce a self-warming fabric thread. Third puzzle in the 3x3xTriplex collection. (Old description: My first Opus Magnum puzzle. I noticed that none of the polymer puzzles in the base game made use of triplex bonds, so I decided to make a...84 downloadsupdated 7 mo ago
- Uranium Solventby vizthexSomeone asked you to make a Uranium Solvent. It's dangerous, but can be done. Since it's used to both bring Life and Death, it's best to make it as stable as possible; so you will need 3 Earth. But the client was apparently a cheapskate; and he only gave you 1 of each element to use.83 downloadsupdated 8 y ago
- Lead-Infused Waterby vizthexYou've been asked to make some water, but lead spilled onto it as you finished. Guess you'll need to clean it up next.83 downloadsupdated 8 y ago
- Molten Gold Decompositionby 76561198397380011Puzzle based on Skye's Electrum Separation. No glyphs of bonding or triplex-bond. This puzzle is kind of hard. Please try if you feel confident solving unbonding & duplicating puzzles. Regent: Well-Molten Gold Products: Large Energetic Shell - Water-Earth Energetic Shell - Air Gold Made With: Opu...83 downloadsupdated 8 y ago
- ORGANIC METAL SYNTHESISby Plant83 downloadsupdated 9 y ago
- RING ENLARGEMENTby dn panic83 downloadsupdated 3 y ago
- Dexterity Toyby JennyThere is a popular children's dextrity toy that consists of a sealed glass box with some marbles inside. The goal is to tilt and shake the box in order to rearrange the marbles into a specific pattern. We've recreated this toy on the nanoscale because we had nothing better to do with our time bec...83 downloadsupdated 9 y ago
- INFORMATION AGE 2by armin.rigoThis is the opposite of INFORMATION AGE. Take as input a sequence of various metals, and use it to produce the right output. The number of Air atoms on top of every Salt atom is equal to zero for a Lead atom, one for a Tin atom, two for an Iron atom, and so on.83 downloadsupdated 7 y ago
- WARP FUELby dn panicWeek 7 of the 2023 Opus Magnum Tournament. METRICS Cycles > Area > Cost Cost > Cycles > Area REAGENTS Exotic Metalloid Elemental Fire PRODUCTS Warp Fuel Alara Fen So you really intend to use this to go back to Earth? Mikael Eltus Our work is too important to stay inside this tower. You're sure yo...83 downloadsupdated 4 y ago
- TRANSMUTATION CXby 76561198815527595Week 9 of the 2022 Opus Magnum Tournament. Metrics: Cost / 5 + Cycles + Area Bonus 10 points for solving Notes: Metrics are of the worst test case out of the 64 possible inputs. Area is based off of the on-site simulator, which may differ from the game on large swings. Computational Reagents: Dat...83 downloadsupdated 5 y ago
- [CRR #5] Aquae Designationisby Gym RatThe Codex: Puzzle #5 This is fifth in a series of puzzles in the Codex Radicis Rationalis ← Previous Next → Procure the all-important reagents of identification with soda ash , slaked lime and ammonium saltpetre . Difficulty: DIFFICULT [8/10] The two alkalies, of sodium and of ammonia respectivel...82 downloadsupdated 6 y ago
- Spoil Preventionby vizthexThat client who wanted some pure water also wants you to help prevent her food stores from spoiling. You think it's possible, but it will need triplex-bonded Fire combined with Earth to prove effective.82 downloadsupdated 8 y ago
- FIXED SEXTUPLE ARMby 89oIn the final task from the series of arms, you will create a fixed-length sextuple (6-sided) arm. For your convenience you will be using pre-disassembled arm parts as your reagents: arm bases (iron atoms) and different lengths of isolated grippers. Do not complain that the limits of arm length ma...82 downloadsupdated 8 y ago
- REACTIVE GOLDby Grimmy82 downloadsupdated 9 y ago
- TIMEOUT INSTRUCTIONby 89oThe final, extremely useful instruction required to make your transmutation engine alchemically complete is the timeout instruction, also known as the period override instruction (Quicksilver). It will extend the periods of all components in a single transmutation engine, preventing problems caus...82 downloadsupdated 8 y ago
- Gold Ring (Production)by 76561198397380011Production mode. I intended to make a puzzle using a ring-shaped pipe to adjust angle, but that can be done without it. I decided just upload this. Regent: Silver Ring Triple-Quicksilver Products: Gold Ring Made With: Opus Magnum Puzzle Editor82 downloadsupdated 8 y ago
- LOTS O' AIRby Nim_Spork82 downloadsupdated 9 y ago
- SELF-PRESSURIZING GASby dn panicWeek 1 of the 2023 Opus Magnum Tournament. METRICS Sum (Cost + Cycles + Area) Lexicographic Cycles > Area > Cost REAGENTS Quintessence PRODUCTS Quintessential Breathing Gas The Lexicographic Cycles metric first compares solutions by how long they take to output their first product—if two solution...82 downloadsupdated 4 y ago
- Hormone Inversion Crystalby MâchéSome individuals find themselves dissatisfied with their presentation and physical arrangement in the realm of gender. This includes a select few alchemists, who have used their abilities to develop a medical remedy for these complex and stressful feelings. The Hormone Inversion Crystal is their...81 downloadsupdated 4 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.