diff --git a/backend/__init__.py b/backend/__init__.py
index 4d1ad8b..3dc02c4 100644
--- a/backend/__init__.py
+++ b/backend/__init__.py
@@ -201,6 +201,14 @@ def chat_message(sid, msg):
                 ses.game.reset()
             elif '/startgame' in msg and not ses.game.started:
                 ses.game.start_game()
+            elif '/addex' in msg and not ses.game.started:
+                cmd = msg.split()
+                if len(cmd) == 2:
+                    if cmd[1] not in ses.game.available_expansions:
+                        ses.game.available_expansions.append(cmd[1])
+                        ses.game.notify_room()
+                else:
+                    sio.emit('chat_message', room=sid, data={'color': f'','text':f'{msg} bad format'})
             elif '/gameinfo' in msg:
                 sio.emit('chat_message', room=sid, data={'color': f'','text':f'info: {ses.game.__dict__}'})
             elif '/meinfo' in msg:
diff --git a/backend/bang/expansions/__init__.py b/backend/bang/expansions/__init__.py
index 4409025..ab28b35 100644
--- a/backend/bang/expansions/__init__.py
+++ b/backend/bang/expansions/__init__.py
@@ -1,7 +1,12 @@
 
-from bang.expansions.dodge_city import cards, characters
 class DodgeCity():
     def get_characters():
+        from bang.expansions.dodge_city import characters
         return characters.all_characters()
+
     def get_cards():
-        return cards.get_starting_deck()
\ No newline at end of file
+        from bang.expansions.dodge_city import cards
+        return cards.get_starting_deck()
+
+class HighNoon():
+    pass
\ No newline at end of file
diff --git a/backend/bang/game.py b/backend/bang/game.py
index 0a1877e..49057b9 100644
--- a/backend/bang/game.py
+++ b/backend/bang/game.py
@@ -23,6 +23,7 @@ class Game:
         self.initial_players = 0
         self.password = ''
         self.expansions = []
+        self.available_expansions = ['dodge_city']
         self.shutting_down = False
         self.is_competitive = False
         self.disconnect_bot = True
@@ -37,6 +38,7 @@ class Game:
                 'is_competitive': self.is_competitive,
                 'disconnect_bot': self.disconnect_bot,
                 'expansions': self.expansions,
+                'available_expansions': self.available_expansions
             })
 
     def toggle_expansion(self, expansion_name):
diff --git a/frontend/src/components/Lobby.vue b/frontend/src/components/Lobby.vue
index f548abb..4b8c426 100644
--- a/frontend/src/components/Lobby.vue
+++ b/frontend/src/components/Lobby.vue
@@ -33,7 +33,10 @@
 			</div>
 			<div v-if="!started">
 				<h3>{{$t("expansions")}}</h3>
-				<PrettyCheck @click.native="toggleExpansions('dodge_city')" :disabled="!isRoomOwner" v-model="useDodgeCity" class="p-switch p-fill" style="margin-top:5px; margin-bottom:3px;">Dodge City</PrettyCheck>
+				<div v-for="ex in togglable_expansions" v-bind:key="ex">
+					<PrettyCheck @click.native="toggleExpansions(ex)" :disabled="!isRoomOwner" :value="is_toggled_expansion(ex)" class="p-switch p-fill" style="margin-top:5px; margin-bottom:3px;">{{get_expansion_name(ex)}}</PrettyCheck>
+					<br>
+				</div>
 				<h3>{{$t('mods')}}</h3>
 				<PrettyCheck @click.native="toggleCompetitive" :disabled="!isRoomOwner" v-model="is_competitive" class="p-switch p-fill" style="margin-top:5px; margin-bottom:3px;">{{$t('mod_comp')}}</PrettyCheck>
 				<br>
@@ -90,7 +93,8 @@ export default {
 		selectedInfo: null,
 		privateRoom: false,
 		password: '',
-		useDodgeCity: false,
+		togglable_expansions: [],
+		expansions: [],
 		hasToSetUsername: false,
 		is_competitive: false,
 		disconnect_bot: false,
@@ -103,7 +107,8 @@ export default {
 			this.privateRoom = data.password !== ''
 			this.is_competitive = data.is_competitive
 			this.disconnect_bot = data.disconnect_bot
-			this.useDodgeCity = data.expansions.indexOf('dodge_city') !== -1
+			this.togglable_expansions = data.available_expansions
+			this.expansions = data.expansions
 			this.players = data.players.map(x => {
 				return {
 					name: x.name,
@@ -168,6 +173,12 @@ export default {
 		}
 	},
 	methods: {
+		is_toggled_expansion(ex) {
+			return this.expansions.indexOf(ex) !== -1
+		},
+		get_expansion_name(ex) {
+			return ex.replace('_', ' ').replace(/\w\S*/g, m => m.charAt(0).toUpperCase()+m.substr(1).toLowerCase())
+		},
 		leaveRoom() {
 			window.location.replace(window.location.origin)
 		},