diff --git a/src/games/storywriter/components/menu.tsx b/src/games/storywriter/components/menu.tsx
index 04dbc17..23ebd93 100644
--- a/src/games/storywriter/components/menu.tsx
+++ b/src/games/storywriter/components/menu.tsx
@@ -6,7 +6,7 @@ import { useBool } from "@common/hooks/useBool";
 import { useInputState } from "@common/hooks/useInputState";
 import type { World, Story } from "../contexts/state";
 import styles from '../assets/menu.module.css';
-import { Pencil, X, Plus, Plug, Settings, Copy, ChevronRight, ChevronDown, Globe } from "lucide-preact";
+import { Pencil, X, Plus, Plug, Settings, Copy, ChevronRight, ChevronDown, Globe, Download, Upload } from "lucide-preact";
 
 // ─── Inline Rename Input ──────────────────────────────────────────────────────
 
@@ -101,6 +101,7 @@ interface WorldItemProps {
     onSelectWorld: () => void;
     onRenameWorld: (title: string) => void;
     onDeleteWorld: () => void;
+    onExportWorld: () => void;
     onCreateStory: () => void;
     onSelectStory: (storyId: string) => void;
     onRenameStory: (storyId: string, title: string) => void;
@@ -110,7 +111,7 @@ interface WorldItemProps {
 
 const WorldItem = ({
     world, activeWorldId, activeStoryId,
-    onSelectWorld, onRenameWorld, onDeleteWorld, onCreateStory,
+    onSelectWorld, onRenameWorld, onDeleteWorld, onExportWorld, onCreateStory,
     onSelectStory, onRenameStory, onDeleteStory, onDuplicateStory,
 }: WorldItemProps) => {
     const isRenaming = useBool(false);
@@ -150,6 +151,9 @@ const WorldItem = ({
                         <button class={styles.actionButton} onClick={onCreateStory} title="New Story">
                             <Plus size={14} />
                         </button>
+                        <button class={styles.actionButton} onClick={onExportWorld} title="Export World">
+                            <Download size={14} />
+                        </button>
                         <button class={styles.actionButton} onClick={isRenaming.setTrue} title="Rename">
                             <Pencil size={14} />
                         </button>
@@ -233,11 +237,48 @@ export const Menu = () => {
         dispatch({ type: 'DUPLICATE_STORY', worldId, id: storyId });
     };
 
+    const handleExportWorld = (worldId: string) => {
+        const world = worlds.find(w => w.id === worldId);
+        if (!world) return;
+        const json = JSON.stringify(world, null, 2);
+        const blob = new Blob([json], { type: 'application/json' });
+        const url = URL.createObjectURL(blob);
+        const a = document.createElement('a');
+        a.href = url;
+        a.download = `${world.title}.json`;
+        a.click();
+        URL.revokeObjectURL(url);
+    };
+
+    const handleImportWorld = () => {
+        const input = document.createElement('input');
+        input.type = 'file';
+        input.accept = '.json,application/json';
+        input.onchange = () => {
+            const file = input.files?.[0];
+            if (!file) return;
+            const reader = new FileReader();
+            reader.onload = () => {
+                try {
+                    const world = JSON.parse(reader.result as string);
+                    dispatch({ type: 'IMPORT_WORLD', world });
+                } catch {
+                    alert('Invalid world file.');
+                }
+            };
+            reader.readAsText(file);
+        };
+        input.click();
+    };
+
     return (
         <div class={styles.menu}>
             <button class={styles.newButton} onClick={handleCreateWorld}>
                 <Plus size={16} /> New World
             </button>
+            <button class={styles.newButton} onClick={handleImportWorld}>
+                <Upload size={16} /> Import World
+            </button>
             <div class={styles.list}>
                 {worlds.map(world => (
                     <WorldItem
@@ -248,6 +289,7 @@ export const Menu = () => {
                         onSelectWorld={() => handleSelectWorld(world.id)}
                         onRenameWorld={(title) => handleRenameWorld(world.id, title)}
                         onDeleteWorld={() => handleDeleteWorld(world.id)}
+                        onExportWorld={() => handleExportWorld(world.id)}
                         onCreateStory={() => handleCreateStory(world.id)}
                         onSelectStory={(storyId) => handleSelectStory(world.id, storyId)}
                         onRenameStory={(storyId, title) => handleRenameStory(world.id, storyId, title)}
diff --git a/src/games/storywriter/contexts/state.tsx b/src/games/storywriter/contexts/state.tsx
index f71c9df..c9898e9 100644
--- a/src/games/storywriter/contexts/state.tsx
+++ b/src/games/storywriter/contexts/state.tsx
@@ -149,7 +149,9 @@ type Action =
     | { type: 'DELETE_LOCATION'; worldId: string; storyId: string | null; locationId: string }
     // Chapters
     | { type: 'STORE_CHAPTER_SUMMARY'; worldId: string; storyId: string; header: string; hash: Chapters.Hash; summary: string }
-    | { type: 'CLEAN_CHAPTER_SUMMARIES'; worldId: string; storyId: string; validHashes: Record<string, Chapters.Hash[]> };
+    | { type: 'CLEAN_CHAPTER_SUMMARIES'; worldId: string; storyId: string; validHashes: Record<string, Chapters.Hash[]> }
+    // Import/Export
+    | { type: 'IMPORT_WORLD'; world: World };
 
 // ─── Helpers ─────────────────────────────────────────────────────────────────
 
@@ -498,6 +500,17 @@ function reducer(state: IState, action: Action): IState {
                 return { ...s, chapters };
             });
         }
+        case 'IMPORT_WORLD': {
+            const exists = state.worlds.some(w => w.id === action.world.id);
+            const world = exists ? { ...action.world, id: crypto.randomUUID() } : action.world;
+            return {
+                ...state,
+                worlds: [...state.worlds, world],
+                currentWorldId: world.id,
+                currentStoryId: null,
+                currentTab: 'lore',
+            };
+        }
     }
 }