diff --git a/src/equation.cpp b/src/equation.cpp
new file mode 100644
index 0000000..caace16
--- /dev/null
+++ b/src/equation.cpp
@@ -0,0 +1,25 @@
+#include "equation.h"
+#include "logging.h"
+#include <cstdlib>
+
+int getRandomNumber(int min, int max) {
+    logInformation(1, "Generating random number with min: " + std::to_string(min) + " and max: " + std::to_string(max));
+    return rand() % (max - min + 1) + min;
+}
+
+void generateLinearEquation(int& a, int& b, int& c, int& correctAnswer) {
+    logInformation(1, "Generating linear equation...");
+    a = getRandomNumber(1, 10);
+    correctAnswer = getRandomNumber(1, 10);
+    c = getRandomNumber(0, 10);
+    b = a * correctAnswer + c;
+}
+
+void generateQuadraticEquation(int& a, int& b, int& c, int& d, int& correctAnswer) {
+    logInformation(1, "Generating quadratic equation...");
+    a = getRandomNumber(1, 10);
+    correctAnswer = getRandomNumber(1, 10);
+    b = getRandomNumber(1, 10);
+    c = getRandomNumber(1, 10);
+    d = a * correctAnswer * correctAnswer + b * correctAnswer + c;
+}
diff --git a/src/logging.cpp b/src/logging.cpp
new file mode 100644
index 0000000..30dbf65
--- /dev/null
+++ b/src/logging.cpp
@@ -0,0 +1,23 @@
+#include "logging.h"
+#include <iostream>
+
+bool debugMode = false;
+
+void logInformation(int level, const std::string& information) {
+    if (!debugMode) return;
+
+    switch (level) {
+        case 1:
+            std::cout << "[INFO] " << information << "\n";
+            break;
+        case 2:
+            std::cout << "[WARN] " << information << "\n";
+            break;
+        case 3:
+            std::cout << "[ERROR] " << information << "\n";
+            break;
+        default:
+            std::cout << "[INTERNAL-ERROR] Incorrect usage of logInformation()!\n";
+            break;
+    }
+}
diff --git a/src/tui.cpp b/src/tui.cpp
new file mode 100644
index 0000000..c3f1446
--- /dev/null
+++ b/src/tui.cpp
@@ -0,0 +1,68 @@
+#include "tui.h"
+#include "equation.h"
+#include "logging.h"
+#include <iostream>
+
+void displayMenu() {
+    std::cout << "Welcome to Extreme Math!\n";
+    std::cout << "Please select an option:\n";
+    std::cout << "1. Solve Linear Equations\n";
+    std::cout << "2. Solve Quadratic Equations\n";
+    std::cout << "3. Challenge Mode\n";
+    std::cout << "4. Exit\n";
+}
+
+void solveLinear() {
+    int a, b, c, correctAnswer, userAnswer;
+    generateLinearEquation(a, b, c, correctAnswer);
+    std::cout << "Solve for x: " << a << "x + " << b << " = " << c << "\n";
+    std::cout << "Your answer: ";
+    std::cin >> userAnswer;
+
+    if (userAnswer == correctAnswer) {
+        std::cout << "Correct! Well done.\n";
+    } else {
+        std::cout << "Wrong answer. The correct answer was: " << correctAnswer << "\n";
+    }
+}
+
+void solveQuadratic() {
+    int a, b, c, d, correctAnswer, userAnswer;
+    generateQuadraticEquation(a, b, c, d, correctAnswer);
+    std::cout << "Solve for x: " << a << "x^2 + " << b << "x + " << c << " = " << d << "\n";
+    std::cout << "Your answer: ";
+    std::cin >> userAnswer;
+
+    if (userAnswer == correctAnswer) {
+        std::cout << "Correct! Well done.\n";
+    } else {
+        std::cout << "Wrong answer. The correct answer was: " << correctAnswer << "\n";
+    }
+}
+
+void playGame() {
+    char choice;
+    do {
+        displayMenu();
+        std::cin >> choice;
+
+        switch (choice) {
+            case '1':
+                solveLinear();
+                break;
+            case '2':
+                solveQuadratic();
+                break;
+            case '3':
+                solveLinear();
+                solveQuadratic();
+                break;
+            case '4':
+                std::cout << "Thanks for playing!\n";
+                break;
+            default:
+                std::cout << "Invalid option. Please try again.\n";
+        }
+
+    } while (choice != '4');
+}