Alchemika
by Hashs
Alchemika is an experimental magic datapack centered on alchemy, built around the cauldron and a set of new laboratory content for Minecraft 1.21.8 – 1.21.11.
What it does
Alchemika adds a cauldron-based alchemy system where players can manipulate 49 different substances by stirring, heating, chilling, scooping and casting, and each action can produce different results. Acids can be used to process raw metals with greater efficiency, and players can experiment to find working methods and formulas.
The datapack also brings 16 new food items made in the cauldron, new materials for crafting gear such as the Chemical Thrower, and two new structures. Guidance is given in-game through notes and advancements, which record the work of an alchemist who came before. Alchemika is inspired by classical alchemy and by chemistry-themed mods like Thaumcraft and Undermagic, and it uses the Smithed Crafter library.
The server requires the datapack, so server owners install it on the server, while players may run the client without it. Alchemika is a datapack rather than a loader mod, so it is published for Data pack as well as Fabric, Forge, NeoForge and Quilt, with the latest builds targeting 1.21.11. The mod is licensed under the MIT License and is not open source.
Key features
Cauldron substance system
Forty-nine substances can be worked in the cauldron through stirring, heating, chilling, scooping and casting.
Metal processing with acids
Acids let players process raw metals, with a higher yield than basic methods allow.
Alchemical food
Sixteen new food items are crafted in the cauldron, each produced from the substance system.
Notes and laboratories
Notes from a former alchemist and two structures, including forgotten laboratories, guide exploration and experimentation.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Players and server owners who want a datapack centered on cauldron alchemy, with experiments, new food and laboratory structures. Because the content is a datapack, the server is where it is required.
How it compares
Cauldron Expansion is a server-side option for 1.21 – 1.21.1, released under a Creative Commons non-commercial license and not open source. Aspect Alchemy runs client and server for 1.20.1 – 1.21.1 under the MIT License. The Alchemist's Touch is client and server for 1.21.4 – 1.21.10 and is open source under the MIT License, while CauldronRevamped is open source and client and server for 1.21.11 only.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Alchemika | Fabric, Forge, NeoForge and Quilt | 1.21.8 – 1.21.11 | Server required, client optional | 2026-02-06 |
| Cauldron Expansion | Fabric, Forge, NeoForge and Quilt | 1.21 – 1.21.1 | Server required, client optional | 2024-08-28 |
| Aspect Alchemy | Fabric, NeoForge and Quilt | 1.20.1 – 1.21.1 | Client and server | 2026-05-04 |
| The Alchemist's Touch | Fabric | 1.21.4 – 1.21.10 | Client and server | 2025-10-29 |
| CauldronRevamped | Fabric and NeoForge | 1.21.11 | Client and server | 2026-03-08 |
Questions
Does Alchemika need a separate library?
Do players need Alchemika installed?
Which game versions does Alchemika support?
In the catalog
Alchemika is one of 7,216 Magic mods on ModsFinder, and one of 3,630 Magic mods for Fabric. 19,862 mods support Minecraft 1.21.11.
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What the author says
Alchemika is an extensive datapack centered around alchemical experimentation using the cauldron, taking inspiration from classical alchemy, chemistry, and mods like Thaumcraft, from the creator of Undermagic, Florcraft, and more. This pack uses the Smithed Crafter library by rx, Nexus, and many others. You do not…
Official listing
- Modrinth page
- modrinth.com/mod/alchemika
- Owner
- Hashs
- Published
- 2025-08-31
- Updated on Modrinth
- 2026-02-06
- Facts verified
- 2026-10-15