About Symbiosis
From Steam WorkshopMerge with the Knox virus instead of dying. Become a symbiote. When infection would doom you, roll for symbiosis instead of zombification. Survivors who merge gain innate passives, a skill tree, and…
Merge with the Knox virus instead of dying. Become a symbiote.
When infection would doom you, roll for symbiosis instead of zombification. Survivors who merge gain innate passives, a skill tree, and blood powers fueled by life essence, your overall body health pool. Once merged, open the Symbiosis Skill Tree from the right-click menu.
Full guide: Symbiosis Wiki — every power and upgrade, costs, passives, sandbox options and an FAQ
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What's New — 0.2.17
- Bone Claws — New power: bone claws for quick, slashing kills
- Veins look and bloody flesh — New appearance options for the symbiote side
- Coagulate fixed — Sealed wounds stop hurting and heal like bandaged ones
- Controlled Appetite fixed — Now works in Build 42
- Quick Growth — Now also speeds up the Blood Spiker
- Sandbox options — Drink Zombie Blood values and Blood Katana damage
- Simplified Chinese — First translation
[hr][/hr] Build 42 only — tested on 42.21 Multiplayer — supported, except Blood Familiar, Shamble and Undeath (singleplayer only) Mod ID — Symbiosis Workshop ID — 3738109511
Report bugs and feedback in the discussion thread below. Solo indie dev building Barvista — updates at signalrain.com
Highlights
From source dataFootprint
Rated a light load on a server.
Last update
Its author last shipped an update today.
Symbiosis on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Project Zomboid servers. We download it from Steam Workshop, place it, and restart the server.
- Server load
- light
- Smallest plan we suggest
- Project Zomboid — 6 GB (6 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 2026-11-04, released 2026-11-04
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Workshop |
From 2 recorded builds of Symbiosis.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 2026-11-04 | 2026-11-04 | n/a | Workshop |
| 2026-10-29 | 2026-10-29 | n/a | Workshop |
Run Symbiosis on a Project Zomboid server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogQuality of life & UI
Small conveniences, tweaks and interface improvements players notice straight away.
Compatibility
- Game
- Project Zomboid
Verified at the source
- ✓Steam WorkshopOfficial listing, checked 2026-11-04Open ↗
- ✓Authorpoopie pants, as published on Steam Workshop
- ✓LicenseNot published by the sourceFree
