diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..8535dc5
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,137 @@
+#include "gamecube.h"
+#include <algorithm>
+#include <ctime>
+
+// -----------------------------------------------------------
+// 3D Memory Game – Hauptprogramm
+// -----------------------------------------------------------
+int main()
+{
+    // Zufall initialisieren
+    srand(time(NULL));
+
+    // Fenster und Kamera
+    InitWindow(800, 600, "3D Memory Game with Matrix3D Library");
+    SetTargetFPS(60);
+
+    Camera3D camera{};
+    camera.position = {6.0f, 6.0f, 6.0f};
+    camera.target   = {0.0f, 0.0f, 0.0f};
+    camera.up       = {0.0f, 1.0f, 0.0f};
+    camera.fovy     = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+
+    // Nur 3 Farben für 3 Paare
+    Color colors[] = { RED, GREEN, BLUE };
+
+    // 6 Karten-Positionen im 3x2 Raster
+    std::vector<Vec3> positions = {{-2, 0, -2}, {0, 0, -2}, {2, 0, -2},{-2, 0,  0}, {0, 0,  0}, {2, 0,  0}};
+
+    // Farben doppelt in einen Pool legen und mischen
+    std::vector<Color> colorPool;
+    for (int i = 0; i < 3; i++)
+    {
+        colorPool.push_back(colors[i]);
+        colorPool.push_back(colors[i]);
+    }
+
+    // Fisher-Yates Shuffle mit rand()
+    for (int i = colorPool.size() - 1; i > 0; --i)
+    {
+        int j = rand() % (i + 1);   // Zufallsindex von 0 bis i
+        std::swap(colorPool[i], colorPool[j]);
+    }
+
+    // Karten/Würfel erstellen
+    std::vector<gamecube> cubes;
+    for (int i = 0; i < 6; i++)
+        cubes.emplace_back(positions[i], colorPool[i]);
+
+    gamecube* first  = nullptr;
+    gamecube* second = nullptr;
+    float flipSpeed = 5.0f;  // Drehgeschwindigkeit
+    bool gameWon = false;
+
+    // -----------------------------------------------------------
+    // Hauptspielschleife
+    // -----------------------------------------------------------
+    while (!WindowShouldClose())
+    {
+        // Klick-Erkennung
+        if (!gameWon && IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
+        {
+            Vector2 mouse = GetMousePosition();
+
+            for (auto &c : cubes)
+            {
+                if (!c.IsFlipped() && !c.IsMatched())
+                {
+                    Vector2 screenPos = GetWorldToScreen({c.GetPosition().x, c.GetPosition().y, c.GetPosition().z}, camera);
+
+                    if (fabs(mouse.x - screenPos.x) < 40 && fabs(mouse.y - screenPos.y) < 40)
+                        c.FlipForward();
+                }
+            }
+        }
+
+        // Animation aller Würfel
+        for (auto &c : cubes)
+        {
+            c.Update(flipSpeed);
+
+            // Sobald ein Würfel vollständig umgedreht ist → merken
+            if (c.IsFlipped() && !c.IsMatched())
+            {
+                if (!first) first = &c;
+                else if (!second && &c != first) second = &c;
+            }
+        }
+
+        // Matching-Logik
+        if (first && second)
+        {
+            Color col1 = first->GetColor();
+            Color col2 = second->GetColor();
+
+            if (col1.r == col2.r && col1.g == col2.g && col1.b == col2.b)
+            {
+                first->SetMatched(true);
+                second->SetMatched(true);
+            }
+            else
+            {
+                first->FlipBackward();
+                second->FlipBackward();
+            }
+
+            first = second = nullptr;
+        }
+
+        // Gewinnprüfung
+        if (!gameWon)
+            gameWon = std::all_of(cubes.begin(), cubes.end(), [](const gamecube &c){ return c.IsMatched(); });
+
+        // -----------------------------------------------------------
+        // Zeichnen
+        // -----------------------------------------------------------
+        BeginDrawing();
+        ClearBackground(RAYWHITE);
+        BeginMode3D(camera);
+
+        for (auto &c : cubes)
+            c.Draw();
+
+        EndMode3D();
+
+        if (gameWon)
+            DrawText("Congrats! You found all pairs!", 150, 260, 30, DARKBLUE);
+        else
+            DrawText("Flip 2 cubes - find matching pairs!", 10, 10, 20, DARKGRAY);
+
+        EndDrawing();
+    }
+
+    CloseWindow();
+    return 0;
+}
+