Build 42 Released — July 29, 2026
Project Zomboid Wiki
Your survival manual for Knox County. Occupation guides, trait planning calculator, crafting disciplines, dedicated server setup — every page shows when it was last verified.
Start Here
Three Paths into the Infection Zone
Build 42 Quick Overview
What changed in Build 42 — map doubled, crafting system reworked, new livestock, weapon parts, aiming overhaul.
OpenPlan Your Character
26 occupations × 93 traits planner. Pick a profession, balance positive and negative traits, and generate a shareable build link.
OpenCrafting Disciplines
Blacksmithing, masonry, pottery, knapping, welding, glassmaking. Build 42's workstation-based crafting system explained.
OpenBeginner Survival
New to Project Zomboid? Start here — hunger, thirst, moodles, sleep, first combat encounter.
OpenRecent Updates
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Versiones de Project Zomboid — Historial de Buildcode y Cómo Comprobar la Tuya
Cada lanzamiento de Project Zomboid Build 42 con números y fechas exactos: 42.20 estable, 42.21 inestable, cómo comprobar tu buildcode y cambiar ramas en Steam.
crafting
Cómo Construir una Forja en Project Zomboid — Herrería en Build 42
Progresión de forjas en Build 42: los tres niveles de forja, la cadena del crisol al yunque, el carbón como combustible y qué listas de materiales discrepan.
guides
Habilidad Electrical en Build 42 — Hotwire, Generadores y XP Real
Lo que bloquea la habilidad Electrical en Build 42: hotwire en nivel 1, la disputa del generador, desmontar electrónica para XP y qué queda sin verificar.
guides
Bloquear Puertas y Permisos de Safehouse en Build 42 — Llaves y Reclamaciones
Cómo funciona el bloqueo en Build 42: llaves por edificio, puertas con teclado, cajas con candado y los permisos de safehouse multijugador que protegen tu base.
guides
Pánico y Estado de Ánimo en Build 42 — Qué Cambió, Qué Lo Impulsa
Build 42 reconstruyó el sistema de ánimo: nuevos moodles de estrés y dolor, traits eliminados, y el pánico ligado a la incomodidad de la armadura pesada.
guides
Tabla de XP de Build 42 — Umbrales por Nivel y Método Más Rápido
Referencia rápida de XP de Build 42: umbrales por nivel, multiplicadores de libros, modificadores de traits y el grind más rápido por habilidad de crafting.
Explore the Wiki
Everything you need to survive Knox County, organized by category. Pick a topic and dive in.
Project Zomboid Build 42
All major changes since Build 41 — map expansion, new crafting, livestock, weapon parts, aiming system.
- 1
Map doubled — Brandenburg, Irvington, Ekron
- 2
Six new crafting disciplines
- 3
Livestock & animal care system
- 4
Weapon parts & aiming overhaul
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Occupations & Traits
26 professions and 93 traits — each with skills, starting gear, and build point costs.
Fire Officer
Axe swing +25%, Fitness 8
Blacksmith
Unlocks blacksmithing workstation
Paramedic
Medical 8, can spawn in clinics
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Crafting Disciplines
Build 42 workstation-based crafting — blacksmithing, masonry, pottery, knapping, welding, glassmaking.
Blacksmithing Forge metal weapons & tools
Masonry Build stone structures
Pottery Clay vessels & containers
Welding Advanced metal crafting
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Knox County Map
The infection zone — cities, landmarks, safe houses, and basement systems.
Starting city
New — west expansion
New — north expansion
New — south expansion
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Multiplayer & Servers
Dedicated server setup, hosting providers compared, mod manager guide.
- Latest
Build 42
Multiplayer mode rebuilt from scratch
-
Dedicated Server
Self-hosted vs cloud providers
-
Mod Manager
Official in-game mod browser
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Build Calculator
Interactive planner — pick occupation, balance traits, calculate build points, share with links.
26 Occupations
93 Traits
0 Build points by default
URL Shareable build links
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Ready to Survive Knox County?
Bookmark this wiki — we're updating Build 42 content every week through the Support Update cycle.