diff --git a/Webservice/Game.js b/Webservice/Game.js
index ccef9d2..c54f0e0 100644
--- a/Webservice/Game.js
+++ b/Webservice/Game.js
@@ -2,44 +2,56 @@ const Player = require('./Player');
 const Hunter = require("./Hunter");
 
 class Game {
+
+    static MAX_PLAYERS = 4;
+    static WIN_POSITION = 16;
+    static STATUS = {
+        SETTING_UP: 0,
+        ONGOING: 1,
+        IS_DRAW: 2,
+        IS_WON: 3
+    }
+
     constructor() {
+        this.currentStatus = Game.STATUS.SETTING_UP;
         this.players = [];
         this.currentPlayerIndex = 0;
-        this.started = false;
+        this.winnerIndex = 0;
         this.round = 0;
         this.hunter = new Hunter();
     }
 
     finish_turn() {
-        let move_to_next_round = false;
-        // move on to next player; skip dead players
-        do {
-            if (this.players.length === 0) break;
+        this.update_game_status();
 
+        if (this.currentStatus !== Game.STATUS.ONGOING) return;
+        if (!this.players.some(player => player.isAlive === true)) return;
+
+        let roundIsOver = false;
+        do {
             this.currentPlayerIndex++;
             if (this.currentPlayerIndex >= this.players.length) {
                 this.currentPlayerIndex = 0;
-                move_to_next_round = true;
+                roundIsOver = true;
             }
         } while (!this.players[this.currentPlayerIndex].isAlive); // skip dead players
-        this.finish_round();
+
+        if (roundIsOver) this.#finish_round();
     }
 
-    finish_round() {
+    #finish_round() {
         this.round++;
-        // kill players with hunter
         if (this.round >= 5) {
             this.hunter.move_by(1);
             this.hunter.hunt(this.players);
         }
-        // check if all players are dead
-        if (!this.players.some(player => player.isAlive === true)) {
-            // todo: end game (all players are dead)
-        }
+        this.update_game_status();
     }
 
     add_player(name) {
-        this.players.push(new Player(name));
+        let canAddPlayer = this.players.length < Game.MAX_PLAYERS;
+        if (canAddPlayer) this.players.push(new Player(name));
+        return canAddPlayer;
     }
 
     remove_player(name) {
@@ -52,6 +64,7 @@ class Game {
     }
 
     current_player_is(name) {
+        if (this.players[this.currentPlayerIndex] === undefined) return false;
         return this.players[this.currentPlayerIndex].name === name;
     }
 
@@ -61,7 +74,19 @@ class Game {
 
     move_player(name, amount) {
         let index = this.get_player_index(name);
+        if (index === -1) return;
         this.players[index].move_by(amount);
+        this.update_game_status();
+    }
+
+    update_game_status() {
+        if (!this.players.some(player => player.isAlive === true)) this.currentStatus = Game.STATUS.IS_DRAW;
+
+        let index = this.players.findIndex(player => player.position >= Game.WIN_POSITION);
+        if (index !== -1) {
+            this.currentStatus = Game.STATUS.IS_WON;
+            this.winnerIndex = index;
+        }
     }
 }
 
diff --git a/Webservice/Player.js b/Webservice/Player.js
index 7e80fca..f04a288 100644
--- a/Webservice/Player.js
+++ b/Webservice/Player.js
@@ -7,10 +7,6 @@ class Player {
 
     move_by(amount) {
         this.position += amount;
-        //todo: move by 1 only on the last 3 fields
-        if (this.position >= 16) {
-            // todo: win
-        }
     }
 }
 
diff --git a/Webservice/server.js b/Webservice/server.js
index 12e3159..98e2176 100644
--- a/Webservice/server.js
+++ b/Webservice/server.js
@@ -9,7 +9,7 @@ const {Server} = require("socket.io");
 const io = new Server(server);
 let cards = JSON.parse(fs.readFileSync(__dirname + '/../data/fragen_10_06_21_final_new_format.json'));
 
-let gameState = {};
+let game = {};
 
 let port = 5000;
 server.listen(port, function () {
@@ -44,12 +44,12 @@ io.on('connection', socket => {
         socket.username = data.username;
         socket.room = data.room_name;
 
-        if (gameState[socket.room] === undefined) {
-            gameState[socket.room] = new Game();
+        if (game[socket.room] === undefined) {
+            game[socket.room] = new Game();
         }
 
-        if (gameState[socket.room].players.length < 4 && !gameState[socket.room].started) {
-            gameState[socket.room].add_player(socket.username);
+        if (game[socket.room].add_player(socket.username)) {
+
             addedUser = true;
 
             socket.emit('login');
@@ -64,7 +64,7 @@ io.on('connection', socket => {
     });
 
     socket.on('new message', function (data) {
-        if (gameState[socket.room] !== undefined && addedUser) {
+        if (game[socket.room] !== undefined && addedUser) {
             socket.broadcast.to(socket.room).emit('new message', {
                 username: socket.username,
                 message: data
@@ -75,15 +75,15 @@ io.on('connection', socket => {
     });
 
     socket.on('disconnect', function () {
-        if (gameState[socket.room] !== undefined && addedUser) {
+        if (game[socket.room] !== undefined && addedUser) {
             socket.broadcast.to(socket.room).emit('user left', socket.username);
-            gameState[socket.room].remove_player(socket.username);
+            game[socket.room].remove_player(socket.username);
 
             // TODO Close card if card is opened and active player left
 
             socket.leave(socket.room);
 
-            if (gameState[socket.room].players.length === 0) delete gameState[socket.room];
+            if (game[socket.room].players.length === 0) delete game[socket.room];
         }
 
         generate_log_message(socket.room, socket.username, "LEFT", "");
@@ -91,51 +91,68 @@ io.on('connection', socket => {
 
     // Game
     socket.on('roll dice', function () {
-        if (gameState[socket.room] !== undefined && addedUser) {
-            if (gameState[socket.room].current_player_is(socket.username)) {
-                gameState[socket.room].started = true;
-                let sides = 3;
-                let randomNumber = Math.floor(Math.random() * sides) + 1;
+        if (game[socket.room] === undefined || !addedUser) return;
 
-                io.in(socket.room).emit('dice', randomNumber);
+        if (game[socket.room].current_player_is(socket.username)) {
+            game[socket.room].currentStatus = Game.STATUS.ONGOING;
+            let sides = 3;
+            let randomNumber = Math.floor(Math.random() * sides) + 1;
 
-                generate_log_message(socket.room, socket.username, "DICE", randomNumber);
-            } else {
-                io.to(socket.id).emit('error', 'It\'s not your turn');
-            }
+            io.in(socket.room).emit('dice', randomNumber);
+
+            generate_log_message(socket.room, socket.username, "DICE", randomNumber);
+        } else {
+            io.to(socket.id).emit('error', 'It\'s not your turn');
         }
+
     });
 
     socket.on('get card', function (difficulty) {
-        if (gameState[socket.room] !== undefined && addedUser) {
-            if (gameState[socket.room].current_player_is(socket.username)) {
-                io.in(socket.room).emit('card', {'username': socket.username, 'card': getRandomCard(difficulty)});
+        if (game[socket.room] === undefined || !addedUser) return;
+        if (game[socket.room].currentStatus !== Game.STATUS.ONGOING) return;
 
-                generate_log_message(socket.room, socket.username, "CARD", difficulty);
-            } else {
-                io.to(socket.id).emit('error', 'It\'s not your turn');
-            }
+        if (game[socket.room].current_player_is(socket.username)) {
+            io.in(socket.room).emit('card', {'username': socket.username, 'card': getRandomCard(difficulty)});
+
+            generate_log_message(socket.room, socket.username, "CARD", difficulty);
+        } else {
+            io.to(socket.id).emit('error', 'It\'s not your turn');
         }
+
     });
 
     socket.on('card finished', function (difficulty, answerIsCorrect) {
-        if (gameState[socket.room] !== undefined && addedUser) {
-            if (answerIsCorrect) {
-                gameState[socket.room].move_player(socket.username, difficulty);
-                generate_log_message(socket.room, socket.username, "MOVE", difficulty);
-            }
-            io.in(socket.room).emit('card destroyed');
-            gameState[socket.room].finish_turn();
+        if (game[socket.room] === undefined || !addedUser) return;
+        if (game[socket.room].currentStatus !== Game.STATUS.ONGOING) return;
 
-            let index = gameState[socket.room].get_player_index(socket.username);
-            let next_player = gameState[socket.room].players[gameState[socket.room].currentPlayerIndex].name;
+        io.in(socket.room).emit('card destroyed');
 
+        if (answerIsCorrect) {
+            game[socket.room].move_player(socket.username, difficulty);
+            generate_log_message(socket.room, socket.username, "MOVE", difficulty);
+
+            let index = game[socket.room].get_player_index(socket.username);
+            let next_player = game[socket.room].players[game[socket.room].currentPlayerIndex].name;
             io.in(socket.room).emit('player moved', {
                 "next_player": next_player,
                 "player": index,
-                "position": gameState[socket.room].players[index].position
+                "position": game[socket.room].players[index].position
             });
         }
+
+        game[socket.room].finish_turn();
+
+        switch (game[socket.room].currentStatus) {
+            case Game.STATUS.IS_WON:
+                //TODO show clients the winner
+                //game[socket.room].winnerIndex
+                break;
+            case Game.STATUS.IS_DRAW:
+                //TODO show clients that nobody wins
+                break;
+            default:
+                break;
+        }
     });
 });
 
diff --git a/public/js/chat.js b/public/js/chat.js
index 2ab44df..e758a5a 100644
--- a/public/js/chat.js
+++ b/public/js/chat.js
@@ -1,6 +1,43 @@
 let socket;
 let connected = false;
 
+function start_chat() {
+    socket.on('login', function () {
+        connected = true;
+
+        document.getElementById('login').style.display = 'none';
+        document.getElementById('game').style.display = 'flex';
+        document.getElementById('chat').style.display = 'flex';
+        start_chat();
+        start_game();
+        resize();
+
+        addLogMessage("Welcome " + username + "!");
+    });
+
+    socket.on('error', function (data) {
+        if (data === 'Game started already or room has two many members') {
+            document.getElementById('login').style.display = 'flex';
+            document.getElementById('game').style.display = 'none';
+            document.getElementById('chat').style.display = 'none';
+            document.getElementById('error').innerText = data;
+        }
+        console.log(data);
+    });
+
+    socket.on('new message', function (data) {
+        addChatMessage(data);
+    });
+
+    socket.on('user joined', function (data) {
+        addLogMessage(data + ' joined');
+    });
+
+    socket.on('user left', function (data) {
+        addLogMessage(data + ' left');
+    });
+}
+
 function sendMessage() {
     let message = document.getElementById('message_input').value;
 
diff --git a/public/js/index.js b/public/js/index.js
index 8493e39..93968bd 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -14,41 +14,8 @@ document.getElementById('ok').addEventListener('click', function () {
         closeOnBeforeunload: false
     });
 
+    start_chat();
+
     // Login
     socket.emit('add user', {'username': username, 'room_name': room_name});
-
-
-    socket.on('login', function () {
-        connected = true;
-
-        document.getElementById('login').style.display = 'none';
-        document.getElementById('game').style.display = 'flex';
-        document.getElementById('chat').style.display = 'flex';
-        start_game();
-        resize();
-
-        addLogMessage("Welcome " + username + "!");
-    });
-
-    socket.on('error', function (data) {
-        if (data === 'Game started already or room has two many members') {
-            document.getElementById('login').style.display = 'flex';
-            document.getElementById('game').style.display = 'none';
-            document.getElementById('chat').style.display = 'none';
-            document.getElementById('error').innerText = data;
-        }
-        console.log(data);
-    });
-
-    socket.on('new message', function (data) {
-        addChatMessage(data);
-    });
-
-    socket.on('user joined', function (data) {
-        addLogMessage(data + ' joined');
-    });
-
-    socket.on('user left', function (data) {
-        addLogMessage(data + ' left');
-    });
 });
\ No newline at end of file