diff --git a/app/main/routes.py b/app/main/routes.py
index d27ddae..b697d9f 100644
--- a/app/main/routes.py
+++ b/app/main/routes.py
@@ -32,13 +32,27 @@ def create_game():
     form = CreateGameForm()
     if form.validate_on_submit():
         game = Game(name=form.game_name.data, start_time=form.start_time.data, end_time=form.end_time.data)
-        game.game_players.append(GamePlayer(game_player=current_user, role=Role['owner']))
+        game.game_players.append(GamePlayer(user=current_user, role=Role['owner']))
         db.session.add(game)
         db.session.commit()
         flash(f"'{game.name}' had been created!")
         return redirect(url_for('main.game_dashboard', game_name=game.name))
     return render_template('create_game.html', title='Create Game', form=form)
 
+@bp.route('/game/<game_name>/delete')
+@login_required
+def delete_game(game_name):
+    game = Game.query.filter_by(name=game_name).first_or_404()
+    if not game.owned_by(current_user):
+        abort(403)
+    db.session.delete(game)
+    for user in game.players:
+        if not user.last_login:
+            db.session.delete(user)
+    db.session.commit()
+    flash(f"Game '{game.name}' has been deleted!")
+    return redirect(url_for('main.index'))
+
 @bp.route('/game/<game_name>/dashboard')
 @login_required
 def game_dashboard(game_name):
@@ -70,8 +84,9 @@ def add_player(game_name):
     form_create = UserCreateForm()
 
     if form_add.submit_add.data and form_add.validate_on_submit():
-        user = User.query.filter_by(form_add.name.data).first_or_404()
+        user = User.query.filter_by(name=form_add.name.data).first_or_404()
         game.game_players.append(GamePlayer(user=user, role=Role[form_create.role.data]))
+        db.session.commit()
         return redirect(url_for('main.game_dashboard', game_name=game.name))
 
     if form_create.submit_create.data and form_create.validate_on_submit():
@@ -92,9 +107,12 @@ def remove_player(game_name, username):
         abort(403)
     user = User.query.filter(and_(User.name == username, User.games.contains(game))).first_or_404()
     game.players.remove(user)
+    if not user.last_login:
+        db.session.delete(user)
     db.session.commit()
     return redirect(url_for('main.game_dashboard', game_name=game.name))
 
+@bp.route('/game/<game_name>/user/<username>', methods=['GET', 'POST'])
 @bp.route('/game/<game_name>/player/<username>', methods=['GET', 'POST'])
 @login_required
 def game_player(game_name, username):
diff --git a/app/models/game.py b/app/models/game.py
index 21d9d9b..661617a 100644
--- a/app/models/game.py
+++ b/app/models/game.py
@@ -22,11 +22,13 @@ class Game(db.Model):
     objectives = db.relationship(
         'Objective',
         lazy='select',
-        backref=db.backref('game', lazy='joined'))
+        backref=db.backref('game', lazy='joined'),
+        cascade="save-update, merge, delete, delete-orphan")
     notifications = db.relationship(
         'Notification',
         lazy='select',
-        backref=db.backref('game', lazy='joined'))
+        backref=db.backref('game', lazy='joined'),
+        cascade="save-update, merge, delete, delete-orphan")
 
     def last_player_locations(self):
         return [user.last_location(self) for user in self.players if user.locations]
diff --git a/app/models/game_player.py b/app/models/game_player.py
index 7987e86..0850c34 100644
--- a/app/models/game_player.py
+++ b/app/models/game_player.py
@@ -43,7 +43,7 @@ class GamePlayer(db.Model):
     player_caught_by_players = db.relationship(
         'PlayerCaughtPlayer',
         back_populates='caught_player',
-        cascade='save-update, merge, delete, delete-orphan',
+        cascade='save-update, merge, delete, delete-orphan',# zorgt dit voor cirkel?
         foreign_keys=[PlayerCaughtPlayer.caught_player_id])
     caught_by_players = association_proxy('player_caught_by_players', 'game_player',
         creator=lambda game_player: PlayerCaughtPlayer(catching_player=game_player))
diff --git a/app/models/user.py b/app/models/user.py
index 47350f9..a30a324 100644
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -28,7 +28,8 @@ class User(UserMixin, db.Model):
     locations = db.relationship(
         'Location',
         lazy='select',
-        backref=db.backref('player', lazy='joined'))
+        backref=db.backref('player', lazy='joined'),
+        cascade="save-update, merge, delete, delete-orphan")
 
     def set_password(self, password):
         self.password_hash = generate_password_hash(password)