diff --git a/src/wwm.c b/src/wwm.c
index e69de29..c0c2f99 100644
--- a/src/wwm.c
+++ b/src/wwm.c
@@ -0,0 +1,97 @@
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "wwm.h"
+
+int runde = 0;
+int geld = 0;
+int frage = 0;
+int useranswer;
+int test;
+
+int setGeld(int runde){
+	int Geldstufen[] = {0, 100, 200, 300, 500, 1000, 2000, 4000, 8000, 16000, 32000, 64000, 125000, 250000, 500000, 1000000};
+	geld = Geldstufen[runde];
+	return geld;
+}
+
+
+int crandomNumber() {
+	srand(time(NULL));
+		frage = rand() % 10;
+		return frage;
+
+}
+
+
+
+void wwm(){
+
+	printf("Welcome to ´Who wants to be a millionaire?´ \n");
+
+	const char* question[] = {
+		"Which planet is known as the `blue planet`?",
+		"What is the capital of Germany?",
+		"What is the largest desert in the world?",
+		"In which country would you find the Great Wall?",
+		"How many meters are in a kilometer?",
+		"How many colors are there in a rainbow?",
+		"What is the square root of 25?",
+		"Who painted the Mona Lisa?",
+		"What is the largest ocean on earth?",
+		"What is the largest planet in our solar system?"
+	};
+
+	const char* answers[][4] = {
+		{"Mars", "Venus", "Earth", "Jupiter"},
+		{"Munich", "Berlin", "Cologne", "Frankfurt am Main"},
+		{"Antarctica", "Sahara", "Gobi", "Arctica" },
+		{"USA", "China", "Russia", "Japan"},
+		{"100", "10", "1", "1000"},
+		{"6", "7", "8", "9"},
+		{"5", "25", "20", "10"},
+		{"Vincent van Gogh", "Pablo Picasso", "Leonardo da Vinci", "Michelangelo"},
+		{"Pacific Ocean", "Atlantic Ocean", "Arctic Ocean", "Indian Ocean"},
+		{"Merkur", "Jupiter", "Neptun", "Pluto"}
+	};
+
+	int correctAnswer[] = {
+		3, 2, 1, 2, 4
+	};
+
+
+	for (int r = 1; r <= 16; r++){
+		if (r == 16) {
+			printf("Congratulations ! You have won 1.000.000 $");
+			return;
+		}
+
+
+		printf("__________________________________________________ \n\n");
+		printf("You are at stage %d and have %d $\n", runde,  geld);
+		srand(time(0));
+		crandomNumber();
+		printf("Question %d: %s\n", runde + 1, question[frage]);
+
+		for (int i = 0; i < 4; i++) {
+			printf("%d. %s \n", i + 1, answers[frage][i]);
+
+		int useranswer;
+			printf("Your answer (1-4):");
+			scanf("%d", &useranswer);
+
+
+		if (useranswer == correctAnswer[frage]) {
+			printf("That is correct!\n");
+			runde++;
+			setGeld(runde);
+		}
+		else {
+			printf("What a shame! That is wrong!\n You lost %d $", geld);
+		}
+	}
+
+		return;
+
+	}
+}
diff --git a/src/wwm.h b/src/wwm.h
index 48ea4a9..104550c 100644
--- a/src/wwm.h
+++ b/src/wwm.h
@@ -1,6 +1,17 @@
 #ifndef WWM_H
 #define WWM_H
 
+extern int runde;
+extern int geld;
+extern int frage;
+extern int useranswer;
+
+extern int Geldstufen[];
+
+int crandomNumber();
+
+int setGeld(int runde);
+
 void wwm();
 
 #endif // ende WWM_H
diff --git a/test/test_wwm.c b/test/test_wwm.c
index e69de29..85a87b1 100644
--- a/test/test_wwm.c
+++ b/test/test_wwm.c
@@ -0,0 +1,40 @@
+// test_wwm.c
+
+#include "unity.h"
+#include "wwm.h"
+
+void setUp(void) {
+    // set up any initializations if needed
+}
+
+void tearDown(void) {
+    // clean up after the test if needed
+}
+
+void test_setGeld_1(void) {
+    // Initialize or reset variables if needed
+    runde = 0;
+    geld = 0;
+    frage = 0;
+    useranswer = 0;
+
+    // Call setGeld and check the initial values
+    TEST_ASSERT_EQUAL(100, setGeld(1));
+    TEST_ASSERT_EQUAL(100, geld);
+
+}
+
+void test_setGeld_2(void) {
+
+    runde = 0;
+
+    TEST_ASSERT_EQUAL(300, setGeld(3));
+
+
+}
+
+void test_crandomNumber(void){
+    int result = crandomNumber();
+    TEST_ASSERT_TRUE(result >= 0 && result <= 9);
+
+}