Cerulean
by jaskarth
Cerulean, a Fabric technology mod, adds multi-colored crystals that players collect and use to craft new items and process vanilla materials.
What it does
Cerulean centers on automation and resource puzzles. Players harvest crystals, feed them into machines and use the results to build tools, trinkets and gadgets that vanilla materials cannot make on their own. The mod also adds dimensions to explore, decorative blocks for factories, and a set of movement-oriented items.
The mod is open source under the GNU Lesser General Public License v3.0 only, and its source code and issue tracker are public. It runs on the client and the server, so both sides need it. Files are published for Fabric only, in two game versions, 1.20.4 and 1.21.1, and the latest file is 1.1.5 for 1.21.1.
The author notes that Rich EMI integration is recommended, and the mod was made for ModFest 1.20. Cerulean can be installed on a new world or added to an existing one, and the early steps are kept simple: a player places a painting near a bed and sleeps to move the progression along.
Key features
Crystal-based crafting
Multi-colored crystals serve as an input for creating new items from vanilla materials.
Automation machines
Machines process crystals and resources so players can automate parts of their production chains.
Additional dimensions
Separate dimensions hold corridors and structures that players can explore for resources and gadgets.
Decorative factory blocks
Chiseled and mirror-style blocks let players dress up factories and rooms built with the mod.
Resource puzzles
Some resources are gated behind puzzle-like steps that open as players progress through the mod.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Automated factories
Players who enjoy building production lines can route crystals and resources through machines to automate their base.
Dimension exploration
Adventure-focused players can travel to the added dimensions to collect rare materials and unusual items.
Who it’s for: Players who like automation and gradual progression will find the crystal-based system and machines suited to long, planned builds. Server owners who run modded multiplayer need to install the mod on both sides.
Questions
Does Cerulean need to be installed on the server?
Which game versions does Cerulean support?
Is the Cerulean source code available?
In the catalog
Cerulean is one of 8,499 Technology mods on ModsFinder, and one of 4,201 Technology mods for Fabric. 32,366 mods support Minecraft 1.21.1.
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What the author says
A shadow chiseled into a mirror... that's where it all started. Stars billowed around, swirling past me as I reached towards them, never close enough to touch. In their world, in my mind, I was an inconsequential blip. I knew I could harness their power... I've seen what great and terrible things were possible with…
Official listing
- Modrinth page
- modrinth.com/mod/cerulean
- Owner
- jaskarth
- Published
- 2023-12-31
- Updated on Modrinth
- 2025-04-25
- Facts verified
- 2026-10-15