[ ALPHA ]
Project Zomboid Base Planner
Sketch the safehouse you'd actually survive in. Pick wall materials, watch the threat map flag weak entry points in red, and share your blueprint as a URL or PNG. Multi-floor, mobile-friendly, free.
Plan a base before you build it
Project Zomboid's build system is unforgiving — once you place a metal sheet wall you can't un-place it without dismantling, and dismantling on Day 30 is a noise-attracting waste of half a day you'd rather spend on something less suicidal. Sketching the base first means you commit to a defensible plan instead of half-building three different ones and dying to a horde at sundown.
The planner has four jobs: pick materials per element, place them on a multi-floor grid, see the threat overlay show you which walls actually face zombie spawns, and share the blueprint via a permanent URL so your group can iterate together. Nothing else.
If you're new to base design, start with the Best base layout principles guide.
Base planning guides
Field-tested principles for surviving past the first month. Each guide is short, opinionated, and links back to the planner so you can sketch the layout as you read.
- Best base layout principles →
Corner placement, double walls, generator coverage, kill funnels — the four rules every survivable base shares.
- The double-door trick →
Two doors back-to-back create an air-locked entry. Why it works, and how to lay it out so it isn't a death trap.
- Multi-floor base design →
Pulling rope ladders, second-floor sleep rooms, and why 'no ground-floor stairs' is the gold rule for late-game safety.
- Window barricade priority →
Which windows to barricade first when the moodles are screaming and the planks are limited.
- Generator placement →
Indoor-vs-outdoor trade-offs, range and noise, why the garage isn't always the right spot.
Build element reference
Every build element in the planner with material tiers, threat resistance, and the resources to build one in-game.
Browse all elements →Common questions
What does this planner actually do?+
Sketch a Project Zomboid safehouse on a grid. Drop walls, doors, gates, fences, windows, generators, containers, and other build elements. Pick wall materials (wood, log, metal sheet, brick) and the threat overlay highlights weak entry points in red so you can see where the zombies will get in. Save and share as a URL or PNG.
Is it free? Do I need to install anything?+
Yes free, no install. Runs entirely in your browser — no account, no app, no save-file sync. Your blueprint is encoded into the URL hash, so bookmarking the page (or sending the link) saves the layout permanently.
Does it cover multi-floor bases?+
Yes. The floor toggle at the top lets you switch between Ground, Floor 2, Floor 3, etc. Lay out each floor independently. Stairs and rope ladders are first-class elements that connect floors.
Why are some walls highlighted red?+
The threat overlay simulates zombie attack paths from the map edges. Walls that face an unobstructed path get flagged red — those are the walls that need to be your strongest material (log, metal sheet, brick). It's a quick way to triage what to upgrade first when materials are scarce.
Can I share my layout with a friend?+
Yes — copy the URL after building, send it to them, they see the exact same blueprint. Or use the PNG export to drop the image into Discord or Reddit.
Does this work for modded Project Zomboid?+
Vanilla elements only right now. Build 41 and Build 42 are both supported — most build mechanics overlap. If a mod adds new structural elements (Eerie Country, More Build, Filibuster Rhymes), they aren't in the picker yet.
What about Build 42 / unstable branch?+
Build 42 introduces basements and 3D crafting, which this planner doesn't model yet. Above-ground floors and standard structural elements all behave the same. Watch this space for B42-specific features as they leave unstable.