diff --git a/.eslintrc b/.eslintrc
index 4ba9ea15..f5627f74 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -8,29 +8,28 @@
     "eslint:recommended",
     "plugin:react/recommended",
     "plugin:react-hooks/recommended",
+    "plugin:@typescript-eslint/recommended",
     "prettier"
   ],
-  "parser": "@babel/eslint-parser",
+  "parser": "@typescript-eslint/parser",
   "parserOptions": {
-    "ecmaVersion": "latest",
-    "sourceType": "module",
-    "requireConfigFile": false,
-    "babelOptions": {
-      "presets": ["@babel/preset-react"]
-    },
     "ecmaFeatures": {
       "jsx": true
-    }
+    },
+    "ecmaVersion": "latest",
+    "sourceType": "module"
   },
-  "plugins": ["react", "react-hooks"],
+  "plugins": ["react", "react-hooks", "@typescript-eslint"],
   "settings": {
     "react": {
       "version": "detect"
     }
   },
   "rules": {
-    "react/prop-types": "off",
     "react/react-in-jsx-scope": "off",
+    "react/prop-types": "off",
+    "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
+    "@typescript-eslint/no-explicit-any": "warn",
     "no-unused-vars": ["warn", {
       "argsIgnorePattern": "^_",
       "varsIgnorePattern": "^_"
diff --git a/build.mjs b/build.mjs
index 42bd4fa6..cf6c9c37 100644
--- a/build.mjs
+++ b/build.mjs
@@ -23,7 +23,7 @@ const clientHtmlDest = path.join(rootDir, 'build/public/index.html')
 
 {
   const clientCtx = await esbuild.context({
-    entryPoints: ['src/client/index.js'],
+    entryPoints: ['src/client/index.ts'],
     entryNames: '/[name]-[hash]',
     outdir: clientBuildDir,
     platform: 'browser',
@@ -40,6 +40,8 @@ const clientHtmlDest = path.join(rootDir, 'build/public/index.html')
     },
     loader: {
       '.js': 'jsx',
+      '.ts': 'tsx',
+      '.tsx': 'tsx'
     },
     alias: {
       react: 'react', // always use our own local react (jsx)
@@ -80,7 +82,7 @@ let spawn
 
 {
   const serverCtx = await esbuild.context({
-    entryPoints: ['src/server/index.js'],
+    entryPoints: ['src/server/index.ts'],
     outfile: 'build/index.js',
     platform: 'node',
     format: 'esm',
@@ -93,6 +95,10 @@ let spawn
       'process.env.CLIENT': 'false',
       'process.env.SERVER': 'true',
     },
+    loader: {
+      '.ts': 'tsx',
+      '.tsx': 'tsx'
+    },
     plugins: [
       {
         name: 'server-finalize-plugin',
@@ -114,7 +120,6 @@ let spawn
         },
       },
     ],
-    loader: {},
   })
   if (dev) {
     await serverCtx.watch()
diff --git a/package-lock.json b/package-lock.json
index 490ec058..1c4da750 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,12 +41,23 @@
       "devDependencies": {
         "@babel/eslint-parser": "^7.23.10",
         "@babel/preset-react": "^7.23.10",
+        "@types/better-sqlite3": "^7.6.9",
+        "@types/fs-extra": "^11.0.4",
+        "@types/jsonwebtoken": "^9.0.5",
+        "@types/lodash-es": "^4.17.12",
+        "@types/node": "^20.11.19",
+        "@types/react": "^18.2.57",
+        "@types/react-dom": "^18.2.19",
+        "@types/three": "^0.173.0",
+        "@typescript-eslint/eslint-plugin": "^7.0.2",
+        "@typescript-eslint/parser": "^7.0.2",
         "esbuild": "^0.24.0",
         "eslint": "^8.57.0",
         "eslint-config-prettier": "^9.1.0",
         "eslint-plugin-react": "^7.34.0",
         "eslint-plugin-react-hooks": "^4.6.0",
-        "prettier": "^3.4.2"
+        "prettier": "^3.4.2",
+        "typescript": "^5.3.3"
       },
       "engines": {
         "node": "22.11.0",
@@ -1627,6 +1638,355 @@
       "integrity": "sha512-/EqTI0MakfG4J2tMHLHS0lYmH3NjjyV2mFTEEbb9qkCO1yM31bsmwUSE3lY/BWuN3+r03+YQJQbIErj+sLxXDQ==",
       "license": "MIT"
     },
+    "node_modules/@tweenjs/tween.js": {
+      "version": "23.1.3",
+      "resolved": "https://registry.npmjs.org/@tweenjs/tween.js/-/tween.js-23.1.3.tgz",
+      "integrity": "sha512-vJmvvwFxYuGnF2axRtPYocag6Clbb5YS7kLL+SO/TeVFzHqDIWrNKYtcsPMibjDx9O+bu+psAy9NKfWklassUA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/better-sqlite3": {
+      "version": "7.6.12",
+      "resolved": "https://registry.npmjs.org/@types/better-sqlite3/-/better-sqlite3-7.6.12.tgz",
+      "integrity": "sha512-fnQmj8lELIj7BSrZQAdBMHEHX8OZLYIHXqAKT1O7tDfLxaINzf00PMjw22r3N/xXh0w/sGHlO6SVaCQ2mj78lg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/fs-extra": {
+      "version": "11.0.4",
+      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-11.0.4.tgz",
+      "integrity": "sha512-yTbItCNreRooED33qjunPthRcSjERP1r4MqCZc7wv0u2sUkzTFp45tgUfS5+r7FrZPdmCCNflLhVSP/o+SemsQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/jsonfile": "*",
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/jsonfile": {
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/@types/jsonfile/-/jsonfile-6.1.4.tgz",
+      "integrity": "sha512-D5qGUYwjvnNNextdU59/+fI+spnwtTFmyQP0h+PfIOSkNfpU6AOICUOkm4i0OnSk+NyjdPJrxCDro0sJsWlRpQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/jsonwebtoken": {
+      "version": "9.0.8",
+      "resolved": "https://registry.npmjs.org/@types/jsonwebtoken/-/jsonwebtoken-9.0.8.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/ms": "*",
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/lodash": {
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.15.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/lodash-es": {
+      "version": "4.17.12",
+      "resolved": "https://registry.npmjs.org/@types/lodash-es/-/lodash-es-4.17.12.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/lodash": "*"
+      }
+    },
+    "node_modules/@types/ms": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@types/ms/-/ms-2.1.0.tgz",
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+      "license": "MIT"
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.19.2"
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+      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.18.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/prop-types": "*",
+        "csstype": "^3.0.2"
+      }
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+      "dev": true,
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "^18.0.0"
+      }
+    },
+    "node_modules/@types/stats.js": {
+      "version": "0.17.3",
+      "resolved": "https://registry.npmjs.org/@types/stats.js/-/stats.js-0.17.3.tgz",
+      "integrity": "sha512-pXNfAD3KHOdif9EQXZ9deK82HVNaXP5ZIF5RP2QG6OQFNTaY2YIetfrE9t528vEreGQvEPRDDc8muaoYeK0SxQ==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/three": {
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+      "resolved": "https://registry.npmjs.org/@types/three/-/three-0.173.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@tweenjs/tween.js": "~23.1.3",
+        "@types/stats.js": "*",
+        "@types/webxr": "*",
+        "@webgpu/types": "*",
+        "fflate": "~0.8.2",
+        "meshoptimizer": "~0.18.1"
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+      "resolved": "https://registry.npmjs.org/@types/webxr/-/webxr-0.5.21.tgz",
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+      "license": "MIT"
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+    "node_modules/@typescript-eslint/eslint-plugin": {
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+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.18.0.tgz",
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+        "ignore": "^5.3.1",
+        "natural-compare": "^1.4.0",
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+      "version": "7.18.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.18.0.tgz",
+      "integrity": "sha512-cDF0/Gf81QpY3xYyJKDV14Zwdmid5+uuENhjH2EqFaF0ni+yAyq/LzMaIJdhNJXZI7uLzwIlA+V7oWoyn6Curg==",
+      "dev": true,
+      "license": "MIT",
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+        "eslint-visitor-keys": "^3.4.3"
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     "node_modules/@ungap/structured-clone": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.1.tgz",
@@ -1634,6 +1994,13 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/@webgpu/types": {
+      "version": "0.1.54",
+      "resolved": "https://registry.npmjs.org/@webgpu/types/-/types-0.1.54.tgz",
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+      "dev": true,
+      "license": "BSD-3-Clause"
+    },
     "node_modules/abort-controller": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
@@ -1777,6 +2144,16 @@
         "url": "https://github.com/sponsors/ljharb"
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+      "dev": true,
+      "license": "MIT",
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@@ -2014,6 +2391,19 @@
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+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
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+      },
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@@ -2300,6 +2690,13 @@
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+    "node_modules/csstype": {
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+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
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+      "license": "MIT"
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@@ -2456,6 +2853,19 @@
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+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "path-type": "^4.0.0"
+      },
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+      }
+    },
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@@ -3299,6 +3709,36 @@
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       "license": "MIT"
     },
+    "node_modules/fast-glob": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.3.3.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@nodelib/fs.stat": "^2.0.2",
+        "@nodelib/fs.walk": "^1.2.3",
+        "glob-parent": "^5.1.2",
+        "merge2": "^1.3.0",
+        "micromatch": "^4.0.8"
+      },
+      "engines": {
+        "node": ">=8.6.0"
+      }
+    },
+    "node_modules/fast-glob/node_modules/glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "is-glob": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
@@ -3406,6 +3846,13 @@
         "reusify": "^1.0.4"
       }
     },
+    "node_modules/fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/file-entry-cache": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-6.0.1.tgz",
@@ -3425,6 +3872,19 @@
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       "license": "MIT"
     },
+    "node_modules/fill-range": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "to-regex-range": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/find-cache-dir": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-5.0.0.tgz",
@@ -3753,6 +4213,27 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/globby": {
+      "version": "11.1.0",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-11.1.0.tgz",
+      "integrity": "sha512-jhIXaOzy1sb8IyocaruWSn1TjmnBVs8Ayhcy83rmxNJ8q2uWKCAj3CnJY+KpGSXCueAPc0i05kVvVKtP1t9S3g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "array-union": "^2.1.0",
+        "dir-glob": "^3.0.1",
+        "fast-glob": "^3.2.9",
+        "ignore": "^5.2.0",
+        "merge2": "^1.4.1",
+        "slash": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/gopd": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
@@ -4225,6 +4706,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.12.0"
+      }
+    },
     "node_modules/is-number-object": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/is-number-object/-/is-number-object-1.1.1.tgz",
@@ -4790,6 +5281,37 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/merge2": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
+      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/meshoptimizer": {
+      "version": "0.18.1",
+      "resolved": "https://registry.npmjs.org/meshoptimizer/-/meshoptimizer-0.18.1.tgz",
+      "integrity": "sha512-ZhoIoL7TNV4s5B6+rx5mC//fw8/POGyNxS/DZyCJeiZ12ScLfVwRE/GfsxwiTkMYYD5DmK2/JXnEVXqL4rF+Sw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/micromatch": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "braces": "^3.0.3",
+        "picomatch": "^2.3.1"
+      },
+      "engines": {
+        "node": ">=8.6"
+      }
+    },
     "node_modules/mime": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-3.0.0.tgz",
@@ -5249,6 +5771,16 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/path-type": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
+      "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/peek-stream": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/peek-stream/-/peek-stream-1.1.3.tgz",
@@ -5315,6 +5847,19 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/pino": {
       "version": "9.5.0",
       "resolved": "https://registry.npmjs.org/pino/-/pino-9.5.0.tgz",
@@ -6178,6 +6723,16 @@
         "simple-concat": "^1.0.0"
       }
     },
+    "node_modules/slash": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
+      "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/sonic-boom": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.0.tgz",
@@ -6604,6 +7159,19 @@
         "node": ">=8"
       }
     },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
     "node_modules/toad-cache": {
       "version": "3.7.0",
       "resolved": "https://registry.npmjs.org/toad-cache/-/toad-cache-3.7.0.tgz",
@@ -6622,6 +7190,19 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/ts-api-utils": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-1.4.3.tgz",
+      "integrity": "sha512-i3eMG77UTMD0hZhgRS562pv83RC6ukSAC2GMNWc+9dieh/+jDM5u5YG+NHX6VNDRHQcHwmsTHctP9LhbC3WxVw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=16"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.2.0"
+      }
+    },
     "node_modules/tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -6738,6 +7319,20 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/typescript": {
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
+      "integrity": "sha512-84MVSjMEHP+FQRPy3pX9sTVV/INIex71s9TL2Gm5FG/WG1SqXeKyZ0k7/blY/4FdOzI12CBy1vGc4og/eus0fw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/unbox-primitive": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.1.0.tgz",
@@ -6757,6 +7352,13 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/undici-types": {
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/universalify": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
diff --git a/package.json b/package.json
index 41ba9eb1..f06b9b80 100644
--- a/package.json
+++ b/package.json
@@ -21,11 +21,13 @@
     "dev": "node build.mjs --dev",
     "build": "node build.mjs",
     "start": "node build/index.js",
-    "lint": "eslint . --ext .js,.jsx",
-    "lint:fix": "eslint . --ext .js,.jsx --fix",
+    "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
+    "lint:fix": "eslint . --ext .js,.jsx,.ts,.tsx --fix",
     "format": "prettier --write .",
     "check": "npm run lint && npm run format",
-    "world:clean": "node world-clean.mjs"
+    "world:clean": "node world-clean.mjs",
+    "typecheck": "tsc --noEmit",
+    "typecheck:watch": "tsc --noEmit --watch"
   },
   "dependencies": {
     "@fastify/compress": "^8.0.1",
@@ -60,12 +62,23 @@
   "devDependencies": {
     "@babel/eslint-parser": "^7.23.10",
     "@babel/preset-react": "^7.23.10",
+    "@types/better-sqlite3": "^7.6.9",
+    "@types/fs-extra": "^11.0.4",
+    "@types/jsonwebtoken": "^9.0.5",
+    "@types/lodash-es": "^4.17.12",
+    "@types/node": "^20.11.19",
+    "@types/react": "^18.2.57",
+    "@types/react-dom": "^18.2.19",
+    "@types/three": "^0.173.0",
+    "@typescript-eslint/eslint-plugin": "^7.0.2",
+    "@typescript-eslint/parser": "^7.0.2",
     "esbuild": "^0.24.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-react": "^7.34.0",
     "eslint-plugin-react-hooks": "^4.6.0",
-    "prettier": "^3.4.2"
+    "prettier": "^3.4.2",
+    "typescript": "^5.3.3"
   },
   "engines": {
     "npm": ">=10.0.0",
diff --git a/src/client/index.js b/src/client/index.ts
similarity index 100%
rename from src/client/index.js
rename to src/client/index.ts
diff --git a/src/client/tsconfig.json b/src/client/tsconfig.json
new file mode 100644
index 00000000..4d65e260
--- /dev/null
+++ b/src/client/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src/**/*"]
+} 
\ No newline at end of file
diff --git a/src/core/tsconfig.json b/src/core/tsconfig.json
new file mode 100644
index 00000000..4d65e260
--- /dev/null
+++ b/src/core/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src/**/*"]
+} 
\ No newline at end of file
diff --git a/src/server/index.js b/src/server/index.ts
similarity index 100%
rename from src/server/index.js
rename to src/server/index.ts
diff --git a/src/server/tsconfig.json b/src/server/tsconfig.json
new file mode 100644
index 00000000..4d65e260
--- /dev/null
+++ b/src/server/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src/**/*"]
+} 
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..b1c34086
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "lib": ["DOM", "DOM.Iterable", "ESNext"],
+    "jsx": "react-jsx",
+    "allowJs": true,
+    "checkJs": false,
+    "noEmit": true,
+    "isolatedModules": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true,
+    "verbatimModuleSyntax": true,
+    "noUncheckedIndexedAccess": true,
+    "esModuleInterop": true
+  },
+  "exclude": ["node_modules", "build", "dist"]
+} 
\ No newline at end of file