diff --git a/types/steam-login/index.d.ts b/types/steam-login/index.d.ts
new file mode 100644
index 0000000000..13fc21c691
--- /dev/null
+++ b/types/steam-login/index.d.ts
@@ -0,0 +1,61 @@
+// Type definitions for steam-login 0.1
+// Project: http://github.com/cpancake/steam-login
+// Definitions by: Nick Winans <https://github.com/Nicell>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+import { Request, Response, NextFunction } from 'express';
+
+export interface MiddlewareOptions {
+    verify: string;
+    realm: string;
+    apiKey: string;
+    useSession?: boolean;
+}
+
+export interface SteamUser {
+    _json: {
+        steamid: string;
+        personaname: string;
+        profileurl: string;
+        avatar: string;
+        avatarmedium: string;
+        avatarfull: string;
+        personastate: number;
+        communityvisibilitystate: number;
+        profilestate?: number;
+        lastlogoff: number;
+        commentpermission?: number;
+        realname?: string;
+        primaryclanid?: string;
+        timecreated?: number;
+        gameid?: string;
+        gameserverip?: string;
+        gameextrainfo?: string;
+        loccountrycode?: string;
+        locstatecode?: string;
+        loccityid?: number;
+    };
+    steamid: string;
+    username: string;
+    name: string;
+    profile: string;
+    avatar: {
+        small: string;
+        medium: string;
+        large: string;
+    };
+}
+
+export interface SteamRequest extends Request {
+    logout(): (req: Request) => () => void;
+    user: SteamUser;
+}
+
+export function middleware(opts: MiddlewareOptions): (req: Request, res: Response, next: NextFunction) => void;
+
+export function enforceLogin(redirect: string): (req: Request, res: Response, next: NextFunction) => NextFunction;
+
+export function verify(): (req: Request, res: Response, next: NextFunction) => NextFunction;
+
+export function authenticate(): (req: Request, res: Response, next: NextFunction) => NextFunction;
diff --git a/types/steam-login/steam-login-tests.ts b/types/steam-login/steam-login-tests.ts
new file mode 100644
index 0000000000..e741a0f5de
--- /dev/null
+++ b/types/steam-login/steam-login-tests.ts
@@ -0,0 +1,35 @@
+// Port of https://github.com/cpancake/steam-login/blob/master/example.js
+
+import * as express from 'express';
+import * as steam from 'steam-login';
+import * as session from 'express-session';
+
+const app = express();
+
+app.use(session({ resave: false, saveUninitialized: false, secret: 'a secret' }));
+app.use(steam.middleware({
+    realm: 'http://localhost:3000/',
+    verify: 'http://localhost:3000/verify',
+    apiKey: process.argv[2]
+}
+));
+
+app.get('/', (req: steam.SteamRequest, res) => {
+    res.send(req.user == null ? 'not logged in' : 'hello ' + req.user.username).end();
+});
+
+app.get('/authenticate', steam.authenticate(), (req, res) => {
+    res.redirect('/');
+});
+
+app.get('/verify', steam.verify(), (req: steam.SteamRequest, res) => {
+    res.send(req.user).end();
+});
+
+app.get('/logout', steam.enforceLogin('/'), (req: steam.SteamRequest, res) => {
+    req.logout();
+    res.redirect('/');
+});
+
+app.listen(3000);
+console.log('listening');
diff --git a/types/steam-login/tsconfig.json b/types/steam-login/tsconfig.json
new file mode 100644
index 0000000000..a1d49993f6
--- /dev/null
+++ b/types/steam-login/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": false,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "steam-login-tests.ts"
+    ]
+}
diff --git a/types/steam-login/tslint.json b/types/steam-login/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/steam-login/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }