diff --git a/src/main/c/Template/Battleship_game.c b/src/main/c/Template/Battleship_game.c
new file mode 100644
index 0000000..e0b97fa
--- /dev/null
+++ b/src/main/c/Template/Battleship_game.c
@@ -0,0 +1,1392 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+
+int feld(char prifield[]) {
+
+	int a = 0;
+	int numcoor[10];
+	char letcoor[10] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J' };
+
+	printf("  ");
+
+	for (int k = 0; k <= 9; k++) {
+		numcoor[k] = k + 1;
+		printf(" %d ", numcoor[k]);
+	}
+
+	printf("\n");
+
+
+	for (int i = 0; i <= 9; i++) {
+
+		printf("%c-", letcoor[i]);
+
+		for (int j = 0; j <= 9; j++) {
+			printf("[%c]", prifield[a]);
+			a++;
+		}
+
+		printf("\n");
+	}
+
+
+	return 0;
+}
+
+int convertcoor(char a, int b) {
+
+	int co = 0;
+
+	switch (a) {
+		case 'A': co = 0; break;
+		case 'a': co = 0; break;
+		case 'B': co = 10; break;
+		case 'b': co = 10; break;
+		case 'C': co = 20; break;
+		case 'c': co = 20; break;
+		case 'D': co = 30; break;
+		case 'd': co = 30; break;
+		case 'E': co = 40; break;
+		case 'e': co = 40; break;
+		case 'F': co = 50; break;
+		case 'f': co = 50; break;
+		case 'G': co = 60; break;
+		case 'g': co = 60; break;
+		case 'H': co = 70; break;
+		case 'h': co = 70; break;
+		case 'I': co = 80; break;
+		case 'i': co = 80; break;
+		case 'J': co = 90; break;
+		case 'j': co = 90; break;
+		default: co = 0;
+	}
+
+	co += b;
+	co -= 1;
+
+	return co;
+}
+
+int* coorgenerator() {
+
+	int randomcoor[100] = {44, 45, 55, 54, 53, 43, 33, 34, 35, 36, 46, 56, 66, 65, 64, 63, 62, 52, 42, 32, 22, 23, 24, 25, 26, 27, 37, 47, 57, 67, 77, 76, 75, 74, 73, 72, 71, 61, 51, 41, 31, 21, 11, 12, 13, 14, 15, 16, 17, 18, 28, 38, 48, 58, 68, 78, 88, 87, 86, 85, 84, 83, 82, 81, 80, 70, 60, 50, 40, 30, 20, 10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 29, 39, 49, 59, 69, 79, 89, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90};
+	int shipcoor[17];
+	int* shipcoorptr[17];
+	int co, vers, direct;
+	int a = 0;
+
+	int* returnarr = (int*)malloc(17* sizeof(int));
+
+	if (returnarr == NULL) {
+		perror("Memory allocation failed");
+		exit(1);
+	}
+
+	srand(time(NULL));
+
+	//(5)-er
+
+	int ranco = rand() % 4; 
+
+	co = randomcoor[ranco];
+
+	int ranvers = rand()%5;
+	int randirect = rand()%4;
+
+	if (randirect == 0) {
+		co = co + ranvers;
+	}
+	if (randirect == 1) {
+		co = co - ranvers;
+	}
+	if (randirect == 2) {
+		co = co + 10*ranvers;
+	}
+	if (randirect == 3) {
+		co = co - 10*ranvers;
+	}
+
+	ranvers = rand() % 5;
+	int randirect2 = rand() % 2;
+
+	if (randirect == 0) {
+		if (randirect2 == 0) {
+			co = co + 10 * ranvers;
+			a = 1;
+		}
+		if (randirect2 == 1) {
+			co = co - 10 * ranvers;
+			a = 2;
+		}
+	}
+	if (randirect == 1) {
+		if (randirect == 0) {
+			co = co + 10 * ranvers;
+			a = 3;
+		}
+		if (randirect == 0) {
+			co = co - 10 * ranvers;
+			a = 4;
+		}
+	}
+	if (randirect == 2) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 1;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 3;
+		}
+	}
+	if (randirect == 3) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 2;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 4;
+		}
+	}
+
+	shipcoor[0] = co;
+
+	int shipdirect = rand() % 2;
+
+	if (a == 1) {
+		if (shipdirect == 0) {
+			for (int i = 1; i < 5; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 1; i < 5; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 2) {
+		if (shipdirect == 0) {
+			for (int i = 1; i < 5; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 1; i < 5; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 3) {
+		if (shipdirect == 0) {
+			for (int i = 1; i < 5; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 1; i < 5; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 4) {
+		if (shipdirect == 0) {
+			for (int i = 1; i < 5; i++) { 
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 1; i < 5; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+
+	//(4)-er
+ 
+	ranco = rand() % 4;
+
+	co = randomcoor[ranco];
+
+	ranvers = rand() % 5; 
+	randirect = rand() % 4;
+
+	if (randirect == 0) {
+		co = co + ranvers;
+	}
+	if (randirect == 1) {
+		co = co - ranvers;
+	}
+	if (randirect == 2) {
+		co = co + 10 * ranvers;
+	}
+	if (randirect == 3) {
+		co = co - 10 * ranvers;
+	}
+
+	ranvers = rand() % 5;
+	randirect2 = rand() % 2;
+
+	if (randirect == 0) {
+		if (randirect2 == 0) {
+			co = co + 10 * ranvers;
+			a = 1;
+		}
+		if (randirect2 == 1) {
+			co = co - 10 * ranvers;
+			a = 2;
+		}
+	}
+	if (randirect == 1) {
+		if (randirect == 0) {
+			co = co + 10 * ranvers;
+			a = 3;
+		}
+		if (randirect == 0) {
+			co = co - 10 * ranvers;
+			a = 4;
+		}
+	}
+	if (randirect == 2) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 1;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 3;
+		}
+	}
+	if (randirect == 3) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 2;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 4;
+		}
+	}
+
+	shipcoor[5] = co;
+
+	shipdirect = rand() % 2;
+
+	if (a == 1) {
+		if (shipdirect == 0) {
+			for (int i = 6; i < 9; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 6; i < 9; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 2) {
+		if (shipdirect == 0) {
+			for (int i = 6; i < 9; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 6; i < 9; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 3) {
+		if (shipdirect == 0) {
+			for (int i = 6; i < 9; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 6; i < 9; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 4) {
+		if (shipdirect == 0) {
+			for (int i = 6; i < 9; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 6; i < 9; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+
+		//(3)-er 1
+
+	ranco = rand() % 4;
+
+	co = randomcoor[ranco];
+
+	ranvers = rand() % 5;
+	randirect = rand() % 4;
+
+	if (randirect == 0) {
+		co = co + ranvers;
+	}
+	if (randirect == 1) {
+		co = co - ranvers;
+	}
+	if (randirect == 2) {
+		co = co + 10 * ranvers;
+	}
+	if (randirect == 3) {
+		co = co - 10 * ranvers;
+	}
+
+	ranvers = rand() % 5;
+	randirect2 = rand() % 2;
+
+	if (randirect == 0) {
+		if (randirect2 == 0) {
+			co = co + 10 * ranvers;
+			a = 1;
+		}
+		if (randirect2 == 1) {
+			co = co - 10 * ranvers;
+			a = 2;
+		}
+	}
+	if (randirect == 1) {
+		if (randirect == 0) {
+			co = co + 10 * ranvers;
+			a = 3;
+		}
+		if (randirect == 0) {
+			co = co - 10 * ranvers;
+			a = 4;
+		}
+	}
+	if (randirect == 2) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 1;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 3;
+		}
+	}
+	if (randirect == 3) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 2;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 4;
+		}
+	}
+
+	shipcoor[9] = co;
+
+	shipdirect = rand() % 2;
+
+	if (a == 1) {
+		if (shipdirect == 0) {
+			for (int i = 10; i < 12; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 10; i < 12; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 2) {
+		if (shipdirect == 0) {
+			for (int i = 10; i < 12; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 10; i < 12; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 3) {
+		if (shipdirect == 0) {
+			for (int i = 10; i < 12; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 10; i < 12; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 4) {
+		if (shipdirect == 0) {
+			for (int i = 10; i < 12; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 10; i < 12; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+
+	//(3)-er 2
+
+	ranco = rand() % 4;
+
+	co = randomcoor[ranco];
+
+	ranvers = rand() % 5;
+	randirect = rand() % 4;
+
+	if (randirect == 0) {
+		co = co + ranvers;
+	}
+	if (randirect == 1) {
+		co = co - ranvers;
+	}
+	if (randirect == 2) {
+		co = co + 10 * ranvers;
+	}
+	if (randirect == 3) {
+		co = co - 10 * ranvers;
+	}
+
+	ranvers = rand() % 5;
+	randirect2 = rand() % 2;
+
+	if (randirect == 0) {
+		if (randirect2 == 0) {
+			co = co + 10 * ranvers;
+			a = 1;
+		}
+		if (randirect2 == 1) {
+			co = co - 10 * ranvers;
+			a = 2;
+		}
+	}
+	if (randirect == 1) {
+		if (randirect == 0) {
+			co = co + 10 * ranvers;
+			a = 3;
+		}
+		if (randirect == 0) {
+			co = co - 10 * ranvers;
+			a = 4;
+		}
+	}
+	if (randirect == 2) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 1;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 3;
+		}
+	}
+	if (randirect == 3) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 2;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 4;
+		}
+	}
+
+	shipcoor[12] = co;
+
+	shipdirect = rand() % 2;
+
+	if (a == 1) {
+		if (shipdirect == 0) {
+			for (int i = 13; i < 15; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 13; i < 15; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 2) {
+		if (shipdirect == 0) {
+			for (int i = 13; i < 15; i++) {
+				co -= 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 13; i < 15; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 3) {
+		if (shipdirect == 0) {
+			for (int i = 13; i < 15; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 13; i < 15; i++) {
+				co -= 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+	if (a == 4) {
+		if (shipdirect == 0) {
+			for (int i = 13; i < 15; i++) {
+				co += 1;
+				shipcoor[i] = co;
+			}
+		}
+		if (shipdirect == 1) {
+			for (int i = 13; i < 15; i++) {
+				co += 10;
+				shipcoor[i] = co;
+			}
+		}
+	}
+
+	//(2)-er
+
+	ranco = rand() % 4;
+
+	co = randomcoor[ranco];
+
+	ranvers = rand() % 5;
+	randirect = rand() % 4;
+
+	if (randirect == 0) {
+		co = co + ranvers;
+	}
+	if (randirect == 1) {
+		co = co - ranvers;
+	}
+	if (randirect == 2) {
+		co = co + 10 * ranvers;
+	}
+	if (randirect == 3) {
+		co = co - 10 * ranvers;
+	}
+
+	ranvers = rand() % 5;
+	randirect2 = rand() % 2;
+
+	if (randirect == 0) {
+		if (randirect2 == 0) {
+			co = co + 10 * ranvers;
+			a = 1;
+		}
+		if (randirect2 == 1) {
+			co = co - 10 * ranvers;
+			a = 2;
+		}
+	}
+	if (randirect == 1) {
+		if (randirect == 0) {
+			co = co + 10 * ranvers;
+			a = 3;
+		}
+		if (randirect == 0) {
+			co = co - 10 * ranvers;
+			a = 4;
+		}
+	}
+	if (randirect == 2) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 1;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 3;
+		}
+	}
+	if (randirect == 3) {
+		if (randirect == 0) {
+			co = co + ranvers;
+			a = 2;
+		}
+		if (randirect == 0) {
+			co = co - ranvers;
+			a = 4;
+		}
+	}
+
+	shipcoor[15] = co;
+
+	shipdirect = rand() % 2;
+
+	if (a == 1) {
+		if (shipdirect == 0) {
+				co -= 1;
+				shipcoor[16] = co;
+		}
+		if (shipdirect == 1) {
+				co -= 10;
+				shipcoor[16] = co;
+		}
+	}
+	if (a == 2) {
+		if (shipdirect == 0) {
+				co -= 1;
+				shipcoor[16] = co;
+		}
+		if (shipdirect == 1) {
+				co += 10;
+				shipcoor[16] = co;
+		}
+	}
+	if (a == 3) {
+		if (shipdirect == 0) {
+				co += 1;
+				shipcoor[16] = co;
+		}
+		if (shipdirect == 1) {
+				co -= 10;
+				shipcoor[16] = co;
+		}
+	}
+	if (a == 4) {
+		if (shipdirect == 0) {
+				co += 1;
+				shipcoor[16] = co;
+		}
+		if (shipdirect == 1) {
+				co += 10;
+				shipcoor[16] = co;
+		}
+	}
+
+	for (int i = 0; i < 17; i++) {
+
+		returnarr[i] = shipcoor[i];
+	}
+
+
+	return returnarr;
+}
+
+int hitgenerator() {
+
+	int hit;
+
+	hit = rand() % 100;
+
+	return hit;
+}
+
+int singleplayer() {
+
+	char player[100];
+	char progplayer[100];
+	char ships1[100];
+	char ships2[100];
+	int* gencoor = coorgenerator();
+
+	char letco;
+	int numco, ranco;
+	int coor, coor1, coor2;
+	int score1 = 0;
+	int score2 = 0;
+
+
+	for (int i = 0; i <= 99; i++) {
+
+		player[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		progplayer[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		ships1[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		ships2[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 18; i++) {
+		ranco = gencoor[i];
+		ships2[ranco] = 'X';
+	}
+
+	!feld(ships1);
+
+		printf("\nPlayer, platziere dein Schlachtschiff (5).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 4; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		!feld(ships1);
+
+		printf("\nPlayer, platziere deinen Kreuzer (4).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 3; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		for (int i = 0; i < 2; i++) {
+
+			!feld(ships1);
+
+			printf("\nPlayer, platziere deine Zerstoerer 2x(3).\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+			system("cls");
+
+			coor1 = convertcoor(letco, numco);
+
+			ships1[coor1] = 'X';
+
+			for (int i = 0; i < 2; i++) {
+				!feld(ships1);
+				printf("\nKoordinate: ");
+				scanf(" %c%d", &letco, &numco);
+
+				coor2 = convertcoor(letco, numco);
+
+				if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+					ships1[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+					ships1[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else {
+					system("cls");
+					printf("Ungueltige Eingabe.\n");
+					i--;
+				}
+
+			}
+		}
+
+		!feld(ships1);
+
+		printf("\nPlayer, platziere dein U-Boot (2).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 1; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+		}
+
+		system("cls");
+
+		int runde = 1;
+		int higherscore = 0;
+
+		while (higherscore < 17) {
+
+			!feld(player);
+			printf("Runde %d\n\nDein Score: %d\n\nGegnerischer Score: %d\n\nPlayer, gib eine Zielkoordinate ein: ", runde, score1, score2);
+			scanf(" %c%d", &letco, &numco);
+
+			coor = convertcoor(letco, numco);
+
+			if (ships2[coor] == 'X') {
+				player[coor] = 'X';
+				score1 += 1;
+				system("cls");
+				printf("Treffer!!\n\n");
+			}
+			else {
+				player[coor] = '-';
+				system("cls");
+				printf("Kein Treffer.\n\n");
+			}
+
+			coor = hitgenerator();
+
+			int f = 0;
+
+			while (f != 1) {
+
+				if (progplayer[coor] == '0') {
+					f = 1;
+				}
+			}
+
+			if (ships1[coor] == 'X') {
+				progplayer[coor] = 'X';
+				score2 += 1;
+				system("cls");
+				printf("Treffer!!\n\n");
+			}
+			else {
+				progplayer[coor] = '-';
+				system("cls");
+				printf("Kein Treffer.\n\n");
+			}
+
+			if (score1 >= score2) {
+				higherscore = score1;
+			}
+			else {
+				higherscore = score2;
+			}
+
+			runde++;
+		}
+
+		system("cls");
+
+		if (score1 = 17) {
+			printf("Player 1 hat gewonnen.");
+		}
+		if (score2 = 17) {
+			printf("Player 2 hat gewonnen.");
+		}
+
+	return 0;
+}
+
+int multiplayer() {
+
+	char player1[100];
+	char player2[100];
+	char ships1[100];
+	char ships2[100];
+
+	char letco;
+	int numco, coor, coor1, coor2;
+	int score1 = 0;
+	int score2 = 0;
+
+
+	for (int i = 0; i <= 99; i++) {
+
+		player1[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		player2[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		ships1[i] = '0';
+
+	}
+
+	for (int i = 0; i <= 99; i++) {
+
+		ships2[i] = '0';
+
+	}
+
+	system("cls");
+
+	!feld(ships1);
+
+
+		printf("\nPlayer 1, platziere dein Schlachtschiff (5).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+		
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 4; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		!feld(ships1);
+
+		printf("\nPlayer 1, platziere deinen Kreuzer (4).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 3; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		for (int i = 0; i < 2; i++) {
+
+			!feld(ships1);
+
+			printf("\nPlayer 1, platziere deine Zerstoerer 2x(3).\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+			system("cls");
+
+			coor1 = convertcoor(letco, numco);
+
+			ships1[coor1] = 'X';
+
+			for (int i = 0; i < 2; i++) {
+				!feld(ships1);
+				printf("\nKoordinate: ");
+				scanf(" %c%d", &letco, &numco);
+
+				coor2 = convertcoor(letco, numco);
+
+				if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+					ships1[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+					ships1[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else {
+					system("cls");
+					printf("Ungueltige Eingabe.\n");
+					i--;
+				}
+
+			}
+		}
+
+		!feld(ships1);
+
+		printf("\nPlayer 1, platziere dein U-Boot (2).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships1[coor1] = 'X';
+
+		for (int i = 0; i < 1; i++) {
+			!feld(ships1);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships1[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+		}
+
+		!feld(ships1);
+
+		system("cls");
+
+		!feld(ships2);
+
+		printf("\nPlayer 2, platziere dein Schlachtschiff (5).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships2[coor1] = 'X';
+
+		for (int i = 0; i < 4; i++) {
+			!feld(ships2);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		!feld(ships2);
+
+		printf("\nPlayer 2, platziere deinen Kreuzer (4).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships2[coor1] = 'X';
+
+		for (int i = 0; i < 3; i++) {
+			!feld(ships2);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+
+		}
+
+		for (int i = 0; i < 2; i++) {
+
+			!feld(ships2);
+
+			printf("\nPlayer 2, platziere deine Zerstoerer 2x(3).\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+			system("cls");
+
+			coor1 = convertcoor(letco, numco);
+
+			ships2[coor1] = 'X';
+
+			for (int i = 0; i < 2; i++) {
+				!feld(ships2);
+				printf("\nKoordinate: ");
+				scanf(" %c%d", &letco, &numco);
+
+				coor2 = convertcoor(letco, numco);
+
+				if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+					ships2[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+					ships2[coor2] = 'X';
+					coor1 = coor2;
+					system("cls");
+				}
+				else {
+					system("cls");
+					printf("Ungueltige Eingabe.\n");
+					i--;
+				}
+
+			}
+		}
+
+		!feld(ships2);
+
+		printf("\nPlayer 2, platziere dein U-Boot (2).\nKoordinate: ");
+		scanf(" %c%d", &letco, &numco);
+		system("cls");
+
+		coor1 = convertcoor(letco, numco);
+
+		ships2[coor1] = 'X';
+
+		for (int i = 0; i < 1; i++) {
+			!feld(ships2);
+			printf("\nKoordinate: ");
+			scanf(" %c%d", &letco, &numco);
+
+			coor2 = convertcoor(letco, numco);
+
+			if (coor2 == coor1 + 1 || coor2 == coor1 - 1) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else if (coor2 == coor1 + 10 || coor2 == coor1 - 10) {
+				ships2[coor2] = 'X';
+				coor1 = coor2;
+				system("cls");
+			}
+			else {
+				system("cls");
+				printf("Ungueltige Eingabe.\n");
+				i--;
+			}
+		}
+
+		system("cls");
+
+	int runde = 1;
+	int higherscore = 0;
+
+	while (higherscore < 17) {
+
+		!feld(player1);
+		printf("Runde %d\n\nScore: %d\n\nPlayer 1, gib eine Zielkoordinate ein: ", runde, score1);
+		scanf(" %c%d", &letco, &numco);
+
+		coor = convertcoor(letco, numco);
+
+		if (ships2[coor] == 'X') {
+			player1[coor] = 'X';
+			score1 += 1;
+			system("cls");
+			printf("Treffer!!\n\n");
+		}
+		else {
+			player1[coor] = '-';
+			system("cls");
+			printf("Kein Treffer.\n");
+		}
+
+		!feld(player2);
+		printf("Runde %d\n\nScore: %d\n\nPlayer 2, gib eine Zielkoordinate ein: ", runde, score2);
+		scanf(" %c%d", &letco, &numco);
+
+		coor = convertcoor(letco, numco);
+
+		if (ships1[coor] == 'X') {
+			player2[coor] = 'X';
+			score2 += 1;
+			system("cls");
+			printf("Treffer!!\n\n");
+		}
+		else {
+			player2[coor] = '-';
+			system("cls");
+			printf("Kein Treffer.\n");
+		}
+
+		if (score1 >= score2) {
+			higherscore = score1;
+		}
+		else {
+			higherscore = score2;
+		}
+
+		runde++;
+	}
+
+	system("cls");
+
+	if (score1 = 17) {
+		printf("Player 1 hat gewonnen.");
+	}
+	if (score2 = 17) {
+		printf("Player 2 hat gewonnen.");
+	}
+
+	return 0;
+}
+
+
+int battleship() {
+
+	int player;
+
+	printf("*Schiffeversenken*\n\n Single player: Drueck <1>\n Multiplayer: Drueck <2>\n");
+	scanf("%d", &player);
+
+	if (player == 1) {
+		!singleplayer();
+	}
+	else if (player == 2) {
+		!multiplayer();
+	}
+
+	return 0;
+}
+
diff --git a/src/main/c/Template/battleship_game.h b/src/main/c/Template/battleship_game.h
new file mode 100644
index 0000000..129d762
--- /dev/null
+++ b/src/main/c/Template/battleship_game.h
@@ -0,0 +1,6 @@
+#ifndef BATTLESHIP_GAME.H
+#define BATTLESHIP_GAME.H
+
+int battleship();
+
+#endif
diff --git a/test/test_battleship.c b/test/test_battleship.c
new file mode 100644
index 0000000..56d6aa3
--- /dev/null
+++ b/test/test_battleship.c
@@ -0,0 +1,43 @@
+#ifdef TEST
+#include "unity.h"
+#include "battleship_game.h"
+
+
+void setUp(void){
+
+}
+void tearDown(void){
+}
+
+
+void test_convertcoor(void) {
+
+	int output;
+
+
+	output = convertcoor('b', 5);
+
+
+	TEST_ASSERT_EQUAL_INT(14, output);
+}
+
+void setUp(void){
+
+}
+void tearDown(void){
+}
+
+
+void test_convertcoor(void) {
+
+	int output;
+
+
+	output = convertcoor('F', 6);
+
+
+	TEST_ASSERT_EQUAL_INT(55, output);
+}
+
+#endif
+