diff --git a/src/app.ts b/src/app.ts
index 84527cf..caf772f 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -2,6 +2,7 @@
 import * as graphqlHTTP from "express-graphql";
 import {buildSchema} from "graphql";
 import { GameServer } from "./GameServer";
+import { Direction, MazeTile } from "./MazeMap";
 import { createSampleMaps } from "./SampleMaps";
 
 const port = 8080;
@@ -9,28 +10,67 @@
 const app = express();
 
 const schema = buildSchema(`
+    enum Direction {
+        none
+        top
+        left
+        bottom
+        right
+    }
+
     """
     Representing a tile with it's possible pathways.
     """
-    type MazeTile {
+    type MazeTileQL {
         id: String!
-        paths: [Int!]!
+        paths: [Direction!]!
+    }
+
+    type Mutation {
+        "Start a new game"
+        startGame(userID: String!, mapID: String!): MazeTileQL
     }
 
     type Query {
-        currentPostition(userID: String!): MazeTile
+        "Tells you your where you currently are and how it looks there in case you forgot."
+        currentPostition(userID: String!): MazeTileQL
+
         "Lists currently available maps."
         listMaps: [String!]!
     }
 `);
 
+class MazeTileQL
+{
+    public static DirectionToString(dir:Direction): string
+    {
+        switch (dir) {
+            case Direction.none: return "none";
+            case Direction.top: return "top";
+            case Direction.left: return "left";
+            case Direction.bottom: return "bottom";
+            case Direction.right: return "right";
+        }
+    }
+
+    public id:string;
+    public paths:string[];
+
+    constructor(tile:MazeTile)
+    {
+        this.id = tile.id;
+        this.paths = tile.paths.map(MazeTileQL.DirectionToString);
+    }
+}
+
 const games = new GameServer();
 const maps = createSampleMaps();
 maps.forEach(m => games.addMap(m));
 
 const root = {
-    currentPostition: ({userID}) => games.currentPosition(userID),
+    currentPostition: ({userID}) => new MazeTileQL(games.currentPosition(userID)),
     listMaps: () => games.listMaps(),
+    startGame: ({userID, mapID}) => new MazeTileQL(games.startGame(userID, mapID)),
 };
 
 app.use(apiRoot, graphqlHTTP({