diff --git a/guide/age-of-four/src/App.tsx b/guide/age-of-four/src/App.tsx
deleted file mode 100644
index c6962eb6..00000000
--- a/guide/age-of-four/src/App.tsx
+++ /dev/null
@@ -1,280 +0,0 @@
-import { lazy, Suspense, useState, useCallback, useMemo, type ReactElement } from 'react'
-import { Routes, Route, Navigate, useSearchParams } from 'react-router-dom'
-import styled from 'styled-components'
-import { ThemeProvider } from '@lilith/ui-theme'
-import { GuideLayout } from '@/components/layout/GuideLayout'
-import { WelcomeModal } from '@/components/welcome/WelcomeModal'
-import { EncyclopediaModal } from '@/components/EncyclopediaModal'
-import { usePlayerPreferences, type PlayerPreferences, type ColorMode, type FontSize, FONT_SIZE_PX } from '@/hooks/usePlayerPreferences'
-import { PreferencesProvider, usePreferences, usePreferencesReroll, type ConcreteRace, type ConcreteGender } from '@/contexts/PreferencesContext'
-import { getThemeForPreferences } from '@/theme/fantasy-theme'
-
-// The Map
-const TerrainPage            = lazy(() => import('@/pages/TerrainPage'))
-const ResourcesPage          = lazy(() => import('@/pages/ResourcesPage'))
-const MapTypesPage           = lazy(() => import('@/pages/MapTypesPage'))
-
-// Climate & Survival
-const ClimateOverviewPage    = lazy(() => import('@/pages/ClimateOverviewPage'))
-const ClimateEventsPage      = lazy(() => import('@/pages/ClimateEventsPage'))
-const ClimateTerrainPage     = lazy(() => import('@/pages/ClimateTerrainPage'))
-const ClimateSimulationPage  = lazy(() => import('@/pages/ClimateSimulationPage'))
-const SurvivalGuidePage      = lazy(() => import('@/pages/SurvivalGuidePage'))
-const EcosystemPage          = lazy(() => import('@/pages/EcosystemPage'))
-const BiomeBrowserPage       = lazy(() => import('@/pages/BiomeBrowserPage'))
-const SpeciesBrowserPage     = lazy(() => import('@/pages/SpeciesBrowserPage'))
-const FoodWebPage            = lazy(() => import('@/pages/FoodWebPage'))
-const PopulationDashboardPage = lazy(() => import('@/pages/PopulationDashboardPage'))
-
-// Races & Empire
-const RacesPage              = lazy(() => import('@/pages/RacesPage'))
-const GovernmentPage         = lazy(() => import('@/pages/GovernmentPage'))
-const ErasPage               = lazy(() => import('@/pages/ErasPage'))
-const VictoryPage            = lazy(() => import('@/pages/VictoryPage'))
-
-// Research
-const TechTreePage           = lazy(() => import('@/pages/TechTreePage'))
-const MagicSchoolsPage       = lazy(() => import('@/pages/MagicSchoolsPage'))
-const DisciplinesPage        = lazy(() => import('@/pages/DisciplinesPage'))
-
-// Military
-const UnitsPage              = lazy(() => import('@/pages/UnitsPage'))
-const CombatPage             = lazy(() => import('@/pages/CombatPage'))
-const KeywordsPage           = lazy(() => import('@/pages/KeywordsPage'))
-const PromotionsPage         = lazy(() => import('@/pages/PromotionsPage'))
-const ItemsPage              = lazy(() => import('@/pages/ItemsPage'))
-
-// Building Your Empire
-const BuildingsPage          = lazy(() => import('@/pages/BuildingsPage'))
-const ImprovementsPage       = lazy(() => import('@/pages/ImprovementsPage'))
-const WondersPage            = lazy(() => import('@/pages/WondersPage'))
-const CommunicationsPage     = lazy(() => import('@/pages/CommunicationsPage'))
-
-// Magic
-const SpellsPage             = lazy(() => import('@/pages/SpellsPage'))
-const ArchonsPage            = lazy(() => import('@/pages/ArchonsPage'))
-const LeyLinesPage           = lazy(() => import('@/pages/LeyLinesPage'))
-
-// Intro
-const HomePage                    = lazy(() => import('@/pages/HomePage'))
-const EarlyAccessPage             = lazy(() => import('@/pages/EarlyAccessPage'))
-const EarlyAccessProgressPage     = lazy(() => import('@/pages/EarlyAccessProgressPage'))
-const FullGamePage                = lazy(() => import('@/pages/FullGamePage'))
-const ExpansionsPage         = lazy(() => import('@/pages/ExpansionsPage'))
-const ToolsPage              = lazy(() => import('@/pages/ToolsPage'))
-
-// About
-const CrowdfundPage          = lazy(() => import('@/pages/CrowdfundPage'))
-const TeamPage               = lazy(() => import('@/pages/TeamPage'))
-const EncyclopediaPage       = lazy(() => import('@/pages/EncyclopediaPage'))
-
-// Dev tools (no nav entry — URL only)
-const DevSpritesPage         = lazy(() => import('@/pages/DevSpritesPage'))
-
-const DEFAULT_PREFS: PlayerPreferences = { race: 'random', gender: 'random', name: '', colorMode: 'dark', dyslexicFont: false, fontSize: 'md' }
-
-export default function App(): ReactElement {
-  const { preferences, isFirstVisit, save } = usePlayerPreferences()
-  const [searchParams] = useSearchParams()
-  const skipWelcome = searchParams.get('skip') === 'welcome'
-  const forceWelcome = searchParams.get('showWelcome') === 'true'
-  const noGui = (searchParams.get('noGui') ?? searchParams.get('nogui')) === 'true'
-  const [showWelcome, setShowWelcome] = useState((isFirstVisit || forceWelcome) && !skipWelcome)
-
-  const activePrefs = useMemo<PlayerPreferences>(
-    () => preferences ?? DEFAULT_PREFS,
-    [preferences],
-  )
-
-  const routes = (
-    <Suspense fallback={null}>
-      <Routes>
-        <Route index element={<HomePage />} />
-
-        {/* Intro */}
-        <Route path="/early-access"          element={<EarlyAccessPage />} />
-        <Route path="/early-access/progress" element={<EarlyAccessProgressPage />} />
-        <Route path="/full-game"             element={<FullGamePage />} />
-        <Route path="/expansions"   element={<ExpansionsPage />} />
-        <Route path="/tools"        element={<ToolsPage />} />
-
-        {/* About */}
-        <Route path="/crowdfund"    element={<CrowdfundPage />} />
-        <Route path="/team"         element={<TeamPage />} />
-        <Route path="/encyclopedia" element={<EncyclopediaPage />} />
-        <Route path="/encyclopedia/:topicId" element={<EncyclopediaPage />} />
-
-        {/* The Map */}
-        <Route path="/terrain"       element={<TerrainPage />} />
-        <Route path="/resources"     element={<ResourcesPage />} />
-        <Route path="/map-types"     element={<MapTypesPage />} />
-
-        {/* Climate & Survival */}
-        <Route path="/climate"             element={<ClimateOverviewPage />} />
-        <Route path="/climate/weather"     element={<ClimateEventsPage />} />
-        <Route path="/climate/terrain"     element={<ClimateTerrainPage />} />
-        <Route path="/climate/simulation"  element={<ClimateSimulationPage />} />
-        <Route path="/climate/survival"    element={<SurvivalGuidePage />} />
-        <Route path="/climate/ecosystem"              element={<EcosystemPage />} />
-        <Route path="/climate/ecosystem/biomes"      element={<BiomeBrowserPage />} />
-        <Route path="/climate/ecosystem/species"     element={<SpeciesBrowserPage />} />
-        <Route path="/climate/ecosystem/food-web"    element={<FoodWebPage />} />
-        <Route path="/climate/ecosystem/populations" element={<PopulationDashboardPage />} />
-        {/* Redirects for old climate routes */}
-        <Route path="/climate/temperature" element={<Navigate to="/climate" replace />} />
-        <Route path="/climate/moisture"    element={<Navigate to="/climate/terrain" replace />} />
-        <Route path="/climate/events"      element={<Navigate to="/climate/weather" replace />} />
-        <Route path="/climate/parameters"  element={<Navigate to="/climate" replace />} />
-
-        {/* Races & Empire */}
-        <Route path="/races"      element={<RacesPage />} />
-        <Route path="/government" element={<GovernmentPage />} />
-        <Route path="/eras"       element={<ErasPage />} />
-        <Route path="/victory"    element={<VictoryPage />} />
-
-        {/* Research */}
-        <Route path="/tech-tree"      element={<TechTreePage />} />
-        <Route path="/magic-schools"  element={<MagicSchoolsPage />} />
-        <Route path="/disciplines"    element={<DisciplinesPage />} />
-
-        {/* Military */}
-        <Route path="/units"      element={<UnitsPage />} />
-        <Route path="/combat"     element={<CombatPage />} />
-        <Route path="/keywords"   element={<KeywordsPage />} />
-        <Route path="/promotions" element={<PromotionsPage />} />
-        <Route path="/items"      element={<ItemsPage />} />
-
-        {/* Building Your Empire */}
-        <Route path="/buildings"      element={<BuildingsPage />} />
-        <Route path="/improvements"   element={<ImprovementsPage />} />
-        <Route path="/wonders"        element={<WondersPage />} />
-        <Route path="/communications" element={<CommunicationsPage />} />
-
-        {/* Magic */}
-        <Route path="/spells"    element={<SpellsPage />} />
-        <Route path="/archons"   element={<ArchonsPage />} />
-        <Route path="/ley-lines" element={<LeyLinesPage />} />
-
-        {/* Dev tools — no nav, URL only */}
-        <Route path="/dev/sprites" element={<DevSpritesPage />} />
-
-        <Route path="*" element={<Navigate to="/" replace />} />
-      </Routes>
-    </Suspense>
-  )
-
-  if (noGui) {
-    return (
-      <PreferencesProvider preferences={activePrefs}>
-        <RaceThemeProvider colorMode={activePrefs.colorMode} dyslexicFont={activePrefs.dyslexicFont}>
-          <NoGuiShell>{routes}</NoGuiShell>
-          <EncyclopediaModal />
-        </RaceThemeProvider>
-      </PreferencesProvider>
-    )
-  }
-
-  return (
-    <PreferencesProvider preferences={activePrefs}>
-      <AppShell save={save} showWelcome={showWelcome} setShowWelcome={setShowWelcome} preferences={activePrefs}>
-        {routes}
-      </AppShell>
-    </PreferencesProvider>
-  )
-}
-
-// ─── RaceThemeProvider ──────────────────────────────────────────────────────
-// Accepts optional preview overrides so the settings modal can live-preview
-// theme changes before confirming.
-
-interface ThemePreview {
-  race: ConcreteRace
-  gender: ConcreteGender
-  colorMode: ColorMode
-  dyslexicFont: boolean
-  fontSize: FontSize
-}
-
-function RaceThemeProvider({ children, colorMode, dyslexicFont, preview }: {
-  children: React.ReactNode
-  colorMode: ColorMode
-  dyslexicFont: boolean
-  preview?: ThemePreview | null
-}): ReactElement {
-  const { raceId, gender } = usePreferences()
-  const themeOverrides = getThemeForPreferences(
-    preview?.race ?? raceId,
-    preview?.gender ?? gender,
-    preview?.colorMode ?? colorMode,
-    preview?.dyslexicFont ?? dyslexicFont,
-  )
-
-  return (
-    <ThemeProvider defaultTheme="luxe" customTheme={themeOverrides}>
-      {children}
-    </ThemeProvider>
-  )
-}
-
-// ─── AppShell ───────────────────────────────────────────────────────────────
-
-interface AppShellProps {
-  save: (prefs: PlayerPreferences) => void
-  showWelcome: boolean
-  setShowWelcome: (v: boolean) => void
-  preferences: PlayerPreferences
-  children: React.ReactNode
-}
-
-function AppShell({ save, showWelcome, setShowWelcome, preferences, children }: AppShellProps): ReactElement {
-  const reroll = usePreferencesReroll()
-  const [themePreview, setThemePreview] = useState<ThemePreview | null>(null)
-
-  const handleConfirm = useCallback((prefs: PlayerPreferences) => {
-    save(prefs)
-    setThemePreview(null)
-    setShowWelcome(false)
-  }, [save, setShowWelcome])
-
-  const handleClose = useCallback(() => {
-    setThemePreview(null)
-    setShowWelcome(false)
-  }, [setShowWelcome])
-
-  const handleOpenSettings = useCallback(() => {
-    reroll()
-    setShowWelcome(true)
-  }, [reroll, setShowWelcome])
-
-  const handlePreview = useCallback((race: ConcreteRace, gender: ConcreteGender, colorMode: ColorMode, dyslexicFont: boolean, fontSize: FontSize) => {
-    setThemePreview({ race, gender, colorMode, dyslexicFont, fontSize })
-  }, [])
-
-  return (
-    <RaceThemeProvider colorMode={preferences.colorMode} dyslexicFont={preferences.dyslexicFont} preview={themePreview}>
-      {showWelcome && (
-        <WelcomeModal
-          onConfirm={handleConfirm}
-          onClose={handleClose}
-          onPreview={handlePreview}
-          initialPreferences={preferences}
-        />
-      )}
-      <GuideLayout
-          onOpenSettings={handleOpenSettings}
-          fontSize={FONT_SIZE_PX[themePreview?.fontSize ?? preferences.fontSize ?? 'md']}
-        >
-          {children}
-        </GuideLayout>
-      <EncyclopediaModal />
-    </RaceThemeProvider>
-  )
-}
-
-const NoGuiShell = styled.div`
-  width: 100vw;
-  height: 100vh;
-  overflow: auto;
-  background: #0D0B14;
-  color: #e0dcd0;
-`
diff --git a/guide/age-of-four/src/main.tsx b/guide/age-of-four/src/main.tsx
deleted file mode 100644
index 5c39b11e..00000000
--- a/guide/age-of-four/src/main.tsx
+++ /dev/null
@@ -1,12 +0,0 @@
-import { StrictMode } from 'react'
-import { createRoot } from 'react-dom/client'
-import { BrowserRouter } from 'react-router-dom'
-import App from './App'
-
-createRoot(document.getElementById('root')!).render(
-  <StrictMode>
-    <BrowserRouter>
-      <App />
-    </BrowserRouter>
-  </StrictMode>,
-)
diff --git a/guide/age-of-four/src/vite-env.d.ts b/guide/age-of-four/src/vite-env.d.ts
deleted file mode 100644
index 11f02fe2..00000000
--- a/guide/age-of-four/src/vite-env.d.ts
+++ /dev/null
@@ -1 +0,0 @@
-/// <reference types="vite/client" />