diff --git a/.github/workflows/building.yml b/.github/workflows/building.yml
index 93b6f57..246008b 100644
--- a/.github/workflows/building.yml
+++ b/.github/workflows/building.yml
@@ -22,9 +22,9 @@ jobs:
             os: ubuntu-latest
             compiler: clang++
 
-          #- name: MacOS Clang
-          #  os: macos-latest
-          #  compiler: clang++
+          - name: MacOS Clang
+            os: macos-latest
+            compiler: clang++
 
           - name: Windows GCC
             os: windows-latest
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc5a9d8..5549e28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,6 +43,7 @@ add_library(controller
         "include/caravan/controller/controller.h"
         "include/caravan/controller/controller_tui.h"
 
+        "src/caravan/controller/controller.cpp"
         "src/caravan/controller/controller_tui.cpp"
 )
 
@@ -80,6 +81,7 @@ add_library(view
         "include/caravan/view/view.h"
         "include/caravan/view/view_tui.h"
 
+        "src/caravan/view/view.cpp"
         "src/caravan/view/view_tui.cpp"
 )
 
diff --git a/include/caravan/controller/controller.h b/include/caravan/controller/controller.h
index 9d7158a..5f49ba7 100644
--- a/include/caravan/controller/controller.h
+++ b/include/caravan/controller/controller.h
@@ -13,9 +13,18 @@
 
 class ControllerSubscriber {
 public:
-    virtual void on_user_input(std::string input, bool complete) = 0;  // TODO
+    virtual void on_controller_command(GameCommand command) = 0;  // TODO
 };
 
-class Controller : public ViewSubscriber, Publisher<ControllerSubscriber> {};
+class Controller : public ViewSubscriber, public Publisher<ControllerSubscriber> {
+protected:
+    bool closed;
+public:
+    virtual ~Controller() = default;
+    explicit Controller() : closed(false) {};
+
+    void subscribe(ControllerSubscriber *sub) override;
+    void close() { closed = true; };
+};
 
 #endif //CARAVAN_CONTROLLER_H
diff --git a/include/caravan/controller/controller_tui.h b/include/caravan/controller/controller_tui.h
index ee4e446..f98eef9 100644
--- a/include/caravan/controller/controller_tui.h
+++ b/include/caravan/controller/controller_tui.h
@@ -11,7 +11,7 @@ class ControllerTUI : public Controller {
 public:
     explicit ControllerTUI() = default;
 
-    void on_view_update() override;  // from ViewSubscriber
+    void on_view_user_input(std::string input) override;  // from ViewSubscriber
 };
 
 #endif //CARAVAN_CONTROLLER_TUI_H
diff --git a/include/caravan/core/common.h b/include/caravan/core/common.h
index bd39971..dbd614b 100644
--- a/include/caravan/core/common.h
+++ b/include/caravan/core/common.h
@@ -81,7 +81,6 @@ typedef std::vector<Card> Deck;
 typedef std::array<Card, TRACK_FACE_MAX> Faces;
 typedef std::array<CaravanName, 3> PlayerCaravanNames;
 
-
 typedef struct Slot {
     Card card {};
     Faces faces {};
@@ -91,18 +90,18 @@ typedef struct Slot {
 typedef std::array<Slot, TRACK_NUMERIC_MAX> Track;
 
 typedef struct GameConfig {
-    uint8_t pa_num_cards;
-    uint8_t pa_num_sample_decks;
-    bool pa_balanced_sample;
+    uint8_t pa_num_cards {0};
+    uint8_t pa_num_sample_decks {0};
+    bool pa_balanced_sample {false};
 
-    uint8_t pb_num_cards;
-    uint8_t pb_num_sample_decks;
-    bool pb_balanced_sample;
+    uint8_t pb_num_cards {0};
+    uint8_t pb_num_sample_decks {0};
+    bool pb_balanced_sample {false};
 
-    PlayerName pn_first;
+    PlayerName pn_first {NO_PLAYER};
 } GameConfig;
 
-typedef struct GameOption {
+typedef struct GameOption {  // TODO remove
     OptionType type {};
     uint8_t pos_hand {};
     CaravanName caravan_name {};
@@ -110,6 +109,13 @@ typedef struct GameOption {
     Card card {};
 } GameOption;
 
+typedef struct GameCommand {
+    OptionType type {NO_OPTION};
+    uint8_t pos_hand {0};
+    CaravanName caravan_name {NO_CARAVAN};
+    uint8_t pos_caravan {0};
+} GameCommand;
+
 /*
  * FUNCTIONS
  */
@@ -122,12 +128,12 @@ bool is_face_card(Card c);
  * CLASSES
  */
 
-template <typename T>
+template <class T>
 class Publisher {
 protected:
     std::vector<T*> subscribers;
 public:
-    void subscribe(T *sub);
+    virtual void subscribe(T *sub) = 0;
 };
 
 #endif //CARAVAN_CORE_COMMON_H
diff --git a/include/caravan/user/user.h b/include/caravan/user/user.h
index 979387e..e5701ec 100644
--- a/include/caravan/user/user.h
+++ b/include/caravan/user/user.h
@@ -12,6 +12,7 @@ class User {
 protected:
     PlayerName name;
 public:
+    virtual ~User() = default;
     explicit User(PlayerName pn) : name(pn) {};
 
     PlayerName get_name() { return name; }
diff --git a/include/caravan/view/view.h b/include/caravan/view/view.h
index ada4192..737b4f2 100644
--- a/include/caravan/view/view.h
+++ b/include/caravan/view/view.h
@@ -12,22 +12,24 @@
 
 class ViewSubscriber {
 public:
-    virtual void on_view_update() = 0;  // TODO
+    virtual void on_view_user_input(std::string input) = 0;
 };
 
-class View : Publisher<ViewSubscriber> {
+class View : public Publisher<ViewSubscriber> {
 protected:
     User *user_top_ptr;
     User *user_bottom_ptr;
     bool closed;
 public:
-    using Publisher<ViewSubscriber>::subscribe;
-
+    virtual ~View() = default;
     explicit View(User *utop, User *ubottom) :
         user_top_ptr(utop), user_bottom_ptr(ubottom), closed(false) {};
 
     virtual void run() = 0;
+    void subscribe(ViewSubscriber *sub) override;
     void close() { closed = true; };
 };
 
+
+
 #endif //CARAVAN_VIEW_H
diff --git a/include/caravan/view/view_tui.h b/include/caravan/view/view_tui.h
index b107bb8..2bd6a3a 100644
--- a/include/caravan/view/view_tui.h
+++ b/include/caravan/view/view_tui.h
@@ -10,7 +10,6 @@
 
 class ViewTUI : public View {
 public:
-    using View::subscribe;
     explicit ViewTUI(User *utop, User *ubottom) : View(utop, ubottom) {};
 
     void run() override;
diff --git a/src/caravan/controller/controller.cpp b/src/caravan/controller/controller.cpp
new file mode 100644
index 0000000..32758bc
--- /dev/null
+++ b/src/caravan/controller/controller.cpp
@@ -0,0 +1,9 @@
+// Copyright (c) 2022-2024 r3w0p
+// The following code can be redistributed and/or
+// modified under the terms of the GPL-3.0 License.
+
+#include "caravan/controller/controller.h"
+
+void Controller::subscribe(ControllerSubscriber *sub) {
+    subscribers.push_back(sub);
+}
diff --git a/src/caravan/controller/controller_tui.cpp b/src/caravan/controller/controller_tui.cpp
index 560c221..5d4a72a 100644
--- a/src/caravan/controller/controller_tui.cpp
+++ b/src/caravan/controller/controller_tui.cpp
@@ -4,6 +4,27 @@
 
 #include "caravan/controller/controller_tui.h"
 
-void ControllerTUI::on_view_update() {
+void ControllerTUI::on_view_user_input(std::string input) {
+    if(closed) return;
 
+    // Decipher input
+    GameCommand command;
+
+    if(
+            input.size() >= 4 and
+            (input.at(0) == 'E' or input.at(0) == 'e') and
+            (input.at(1) == 'X' or input.at(1) == 'x') and
+            (input.at(2) == 'I' or input.at(2) == 'i') and
+            (input.at(3) == 'T' or input.at(3) == 't')
+    ) {
+        command.type = OPTION_EXIT;
+
+    } else if(input.size() >= 2) {
+
+    } else return;
+
+    // Pass to subscribers
+    for(ControllerSubscriber *s : subscribers) {
+        s->on_controller_command(command);
+    }
 }
diff --git a/src/caravan/core/common.cpp b/src/caravan/core/common.cpp
index 9ade294..76f2dd4 100644
--- a/src/caravan/core/common.cpp
+++ b/src/caravan/core/common.cpp
@@ -4,7 +4,6 @@
 
 #include "caravan/core/common.h"
 
-
 bool is_numeral_card(Card c) {
     return (c.rank >= ACE and c.rank <= TEN);
 }
@@ -12,8 +11,3 @@ bool is_numeral_card(Card c) {
 bool is_face_card(Card c) {
     return (c.rank >= JACK and c.rank <= JOKER);
 }
-
-template<typename T>
-void Publisher<T>::subscribe(T *sub) {
-    subscribers.push_back(sub);
-}
diff --git a/src/caravan/main.cpp b/src/caravan/main.cpp
index fdbe38b..57d5cea 100644
--- a/src/caravan/main.cpp
+++ b/src/caravan/main.cpp
@@ -5,23 +5,35 @@
 #include "caravan/view/view_tui.h"
 #include "caravan/user/bot_easy.h"
 #include "caravan/controller/controller_tui.h"
-
+#include <iostream>
 
 int main() {
-    auto *utop = new UserHuman(PLAYER_TOP);
-    auto *ubottom = new UserHuman(PLAYER_BOTTOM);
+    User *utop;
+    User *ubottom;
+
+    ViewTUI *v;
+    Controller *c;
+    // Model *m;
+
+    try {
+        utop = new UserHuman(PLAYER_TOP);
+        ubottom = new UserHuman(PLAYER_BOTTOM);
+
+        v = new ViewTUI(utop, ubottom);
+        c = new ControllerTUI();
+        // m = ...
 
-    auto *v = new ViewTUI(utop, ubottom);
-    auto *c = new ControllerTUI();
-    // auto *m = ...
+        // TODO Subscribe components
+        v->subscribe(c);
 
-    // TODO Subscribe
-    v->subscribe(c);
+        v->run();
 
-    v->run();
+    } catch (CaravanFatalException &e) {
+        std::cout << e.what() << std::endl;
+    }
 
     v->close();
-    // TODO c->close();
+    c->close();
     // TODO m->close();
 
     delete v;
diff --git a/src/caravan/view/view.cpp b/src/caravan/view/view.cpp
new file mode 100644
index 0000000..9606938
--- /dev/null
+++ b/src/caravan/view/view.cpp
@@ -0,0 +1,9 @@
+// Copyright (c) 2022-2024 r3w0p
+// The following code can be redistributed and/or
+// modified under the terms of the GPL-3.0 License.
+
+#include "caravan/view/view.h"
+
+void View::subscribe(ViewSubscriber *sub) {
+    subscribers.push_back(sub);
+}
diff --git a/src/caravan/view/view_tui.cpp b/src/caravan/view/view_tui.cpp
index 097074b..3398b44 100644
--- a/src/caravan/view/view_tui.cpp
+++ b/src/caravan/view/view_tui.cpp
@@ -14,10 +14,13 @@
 #include "ftxui/component/screen_interactive.hpp"
 #include "ftxui/dom/elements.hpp"
 
-
 void ViewTUI::run() {
+    // TODO on_model_exit, close the game
+
     using namespace ftxui;
 
+    if(closed) return;
+
     // Input data
     std::string user_input;
     std::string command;