diff --git a/guide/age-of-four/tsconfig.json b/guide/age-of-four/tsconfig.json
deleted file mode 100644
index bc792840..00000000
--- a/guide/age-of-four/tsconfig.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2020",
-    "useDefineForClassFields": true,
-    "lib": [
-      "ES2020",
-      "DOM",
-      "DOM.Iterable"
-    ],
-    "module": "ESNext",
-    "skipLibCheck": true,
-    "moduleResolution": "bundler",
-    "allowImportingTsExtensions": true,
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "noEmit": true,
-    "jsx": "react-jsx",
-    "strict": true,
-    "types": ["vitest/globals", "node"],
-    "baseUrl": ".",
-    "paths": {
-      "@/*": [
-        "src/*"
-      ],
-      "@data/*": [
-        "../../games/age-of-four/data/*"
-      ],
-      "@magic-civ/engine-ts": [
-        "../../packages/engine-ts/src/index.ts"
-      ],
-      "@magic-civ/guide-engine": [
-        "../engine/src/index.ts"
-      ]
-    }
-  },
-  "include": [
-    "src",
-    "../../packages/engine-ts/src",
-    "../engine/src"
-  ]
-}
diff --git a/guide/age-of-four/vite.config.ts b/guide/age-of-four/vite.config.ts
deleted file mode 100644
index 4ba9130f..00000000
--- a/guide/age-of-four/vite.config.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react'
-import path from 'path'
-const GAME_ID = process.env.VITE_GAME_ID ?? 'age-of-four'
-
-
-export default defineConfig({
-  plugins: [react()],
-  resolve: {
-    alias: {
-      '@': path.resolve(__dirname, './src'),
-      '@data': path.resolve(__dirname, '../themes/fantasy/data'),
-      '@magic-civ/engine-ts': path.resolve(__dirname, '../../packages/engine-ts/src/index.ts'),
-      '@magic-civ/guide-engine': path.resolve(__dirname, '../engine/src/index.ts'),
-    },
-    dedupe: ['react', 'react-dom', 'react-router-dom', 'styled-components'],
-  },
-  publicDir: path.resolve(__dirname, '../themes/fantasy/assets'),
-  server: {
-    port: 5800,
-    host: true,
-    allowedHosts: ['apricot.local'],
-  },
-  worker: {
-    format: 'es',
-  },
-  build: {
-    outDir: 'dist',
-    sourcemap: true,
-    rollupOptions: {
-      output: {
-        manualChunks: {
-          'vendor-react':  ['react', 'react-dom', 'react-router-dom'],
-          'vendor-styled': ['styled-components'],
-          'vendor-three':  ['three'],
-        },
-      },
-    },
-  },
-})
diff --git a/guide/age-of-four/vitest.config.ts b/guide/age-of-four/vitest.config.ts
deleted file mode 100644
index 4e52c691..00000000
--- a/guide/age-of-four/vitest.config.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { defineConfig } from 'vitest/config'
-import path from 'path'
-
-export default defineConfig({
-  test: {
-    environment: 'node',
-    globals: true,
-  },
-  resolve: {
-    alias: {
-      '@': path.resolve(__dirname, './src'),
-      '@data': path.resolve(__dirname, '../themes/fantasy/data'),
-      '@magic-civ/guide-engine': path.resolve(__dirname, '../engine/src'),
-      '@magic-civ/engine-ts': path.resolve(__dirname, '../../packages/engine-ts/src/index.ts'),
-    },
-  },
-})
diff --git a/packages/engine-ts/tsconfig.json b/packages/engine-ts/tsconfig.json
index 27811a60..12b6efc2 100644
--- a/packages/engine-ts/tsconfig.json
+++ b/packages/engine-ts/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2020",
-    "lib": ["ES2020"],
+    "lib": ["ES2020", "DOM"],
     "module": "ESNext",
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,