diff --git a/src/Game.cpp b/src/Game.cpp
new file mode 100644
index 0000000..7c8f5d8
--- /dev/null
+++ b/src/Game.cpp
@@ -0,0 +1,102 @@
+#include "Game.hpp"
+#include "raylib.h"
+
+Game::Game() {
+    SetConfigFlags(FLAG_VSYNC_HINT);
+    InitWindow(800, 400, "Retro Dino Game");
+    SetTargetFPS(60);
+
+    dinoTexture = LoadTexture("assets/dino.png");
+    cactusTexture = LoadTexture("assets/cactus.png");
+    groundTexture = LoadTexture("assets/ground.png");
+
+    dino = new Dino(dinoTexture);
+    score = 0;
+    gameOver = false;
+}
+
+Game::~Game() {
+    UnloadTexture(dinoTexture);
+    UnloadTexture(cactusTexture);
+    UnloadTexture(groundTexture);
+    delete dino;
+    CloseWindow();
+}
+
+void Game::Run() {
+    while (!WindowShouldClose()) {
+        Update();
+        Draw();
+    }
+}
+
+void Game::Update() {
+    if (!gameOver) {
+        if (IsKeyPressed(KEY_SPACE) || IsKeyPressed(KEY_UP)) {
+            dino->Jump();
+        }
+
+        dino->Update();
+
+        if (GetRandomValue(0, 100) < 2) {
+            cacti.push_back(Cactus(cactusTexture, 800));
+        }
+
+        for (auto &cactus : cacti) {
+            cactus.Update();
+        }
+
+        cacti.erase(std::remove_if(cacti.begin(), cacti.end(),
+                                   [](Cactus &c) { return c.IsOffScreen(); }),
+                    cacti.end());
+
+        for (auto &cactus : cacti) {
+            if (CheckCollision(*dino, cactus)) {
+                gameOver = true;
+            }
+        }
+
+        score++;
+    }
+}
+
+void Game::Draw() {
+    BeginDrawing();
+    ClearBackground(RAYWHITE);
+
+    DrawText(TextFormat("Score: %d", score), 10, 10, 20, BLACK);
+    DrawTexture(groundTexture, 0, 300, WHITE);
+
+    if (!gameOver) {
+        dino->Draw();
+        for (auto &cactus : cacti) {
+            cactus.Draw();
+        }
+    } else {
+        int gameOverTextWidth = MeasureText("GAME OVER", 30);
+        DrawText("GAME OVER", GetScreenWidth()/2 - gameOverTextWidth/2, 150, 30, RED);
+
+        int restartTextWidth = MeasureText("Press R to restart!", 20);
+        DrawText("Press R to restart!", GetScreenWidth()/2 - restartTextWidth/2, 190, 20, BLACK);
+        if (IsKeyPressed(KEY_R)) {
+            Reset();
+        }
+
+        int exitTextWidth = MeasureText("Press ESC to close the game!", 20);
+        DrawText("Press ESC to close the game!", GetScreenWidth()/2 - exitTextWidth/2, 210, 20, BLACK);
+    }
+
+    EndDrawing();
+}
+
+void Game::Reset() {
+    delete dino;
+    dino = new Dino(dinoTexture);
+    cacti.clear();
+    score = 0;
+    gameOver = false;
+}
+
+bool Game::CheckCollision(Dino &dino, Cactus &cactus) {
+    return CheckCollisionRecs(dino.GetRect(), cactus.GetRect());
+}
diff --git a/src/Game.hpp b/src/Game.hpp
new file mode 100644
index 0000000..15ffc38
--- /dev/null
+++ b/src/Game.hpp
@@ -0,0 +1,31 @@
+#ifndef GAME_HPP
+#define GAME_HPP
+#include "raylib.h"
+#include "Dino.hpp"
+#include "Cactus.hpp"
+#include <vector>
+
+using namespace std;
+
+class Game {
+public:
+    Game();
+    ~Game();
+    void Run();
+
+private:
+    void Update();
+    void Draw();
+    void Reset();
+    bool CheckCollision(Dino &dino, Cactus &cactus);
+
+    Texture2D dinoTexture;
+    Texture2D cactusTexture;
+    Texture2D groundTexture;
+    Dino *dino;
+    vector<Cactus> cacti;
+    int score;
+    bool gameOver;
+};
+
+#endif //GAME_HPP
diff --git a/src/main.cpp b/src/main.cpp
index f253cbe..9757b39 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,7 @@
-#include <iostream>
+#include "Game.hpp"
 
 int main() {
-    std::cout << "Hello, World!" << std::endl;
+    Game game;
+    game.Run();
     return 0;
-}
\ No newline at end of file
+}