Symbiont
by MeVerdo
Symbiont is a NeoForge technology mod for 1.21.1 in which players grow living cells in machines that turn nutrients into resources.
What it does
Cells are grown in a Metabolizer, which processes items, liquids, food and cells. Each cell needs a nutrient, usually a food-derived organic item, and the Metabolizer is the main place where new cell cultures are created by setting the right conditions. A Bioreactor uses cells to convert nutrient pastes and refined bio-liquids, and a Bioformer solidifies processed bio-liquids into finished items.
The mod is built around a custom genetic system in which each cell carries one Biotrait type. Cell recipes and Biotraits are datapackable, so content can be added or changed without code. Players who prefer a puzzle to a plain resource mod can use JEI to explore the available recipes.
Symbiont is client and server, so the server and every player need it. It is published for NeoForge only, with 0.2 as the latest file for 1.21.1, and it is released under All rights reserved, so it is not open source. Public links exist for the source code and the issue tracker.
Key features
Metabolizer cell growth
The Metabolizer grows new cell types under conditions the player sets, and is the main method for creating cultures.
Bone Sampler
A Bone Sampler collects animal cells in a mostly painless way, which supports cultured meat production without harming animals.
Culture stability and growth
A culture's stability depends on temperature, light, pressure and growth conditions. Values above 100% duplicate the culture, while values below 100% cause it to die off.
Production modifiers
Some Biotraits improve stability, modify production and consumption stats, speed up cycles, affect growth rate or boost the quantity of items and fluids generated.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Symbiont need to be installed on the server?
Which loader does Symbiont support?
Can new cell recipes be added without writing code?
In the catalog
Symbiont is one of 8,499 Technology mods on ModsFinder, and one of 3,557 Technology mods for NeoForge. 32,366 mods support Minecraft 1.21.1.
More from MeVerdo
Similar mods
What the author says
# 📖Description Symbiont lets you cultivate powerful, living cells capable of producing a wide range of materials. Each cell requires nutrient food, created from organic items. The mod also introduces a custom genetic system, making it possible to improve your cells... At a cost! If you enjoy resource production…
Official listing
- Modrinth page
- modrinth.com/mod/symbiont
- Owner
- MeVerdo
- Published
- 2025-09-22
- Updated on Modrinth
- 2025-12-29
- Facts verified
- 2026-10-15