diff --git a/src/main/c/GameTic_Tac_Toe/game.c b/src/main/c/GameTic_Tac_Toe/tictactoe.c
similarity index 100%
rename from src/main/c/GameTic_Tac_Toe/game.c
rename to src/main/c/GameTic_Tac_Toe/tictactoe.c
diff --git a/src/main/c/GameTic_Tac_Toe/tictactoe.h b/src/main/c/GameTic_Tac_Toe/tictactoe.h
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/main/c/GameTic_Tac_Toe/tictactoe.h
@@ -0,0 +1 @@
+
diff --git a/src/main/c/Minesweeper/minesweeper_start.c b/src/main/c/Minesweeper/minesweeper_start.c
new file mode 100644
index 0000000..fae882a
--- /dev/null
+++ b/src/main/c/Minesweeper/minesweeper_start.c
@@ -0,0 +1,255 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+#include "minesweeper_start.h"
+#pragma region defines
+#define BLOCK '#'
+#define FLAG 'x'
+#define EMPTY ' '
+#define SMALL 10
+#define MIDDLE 15
+#define LARGE 20
+#define EASY 7
+#define NORMAL 5
+#define HARD 3
+#pragma endregion
+
+
+#pragma region Funktion_heads
+void main_menu_minesweeper();
+void game_minesweeper();
+void options_minesweeper();
+Minesweeper_Board initialize_minesweeper();
+void place_bombs(Minesweeper_Board *board);
+bool array_contains_value(int *array, int value, int length);
+void draw_minesweeper(Minesweeper_Board *board);
+int open_tile(Minesweeper_Board *board, int tile);
+int number_of_bombs(Minesweeper_Board *board, int tile);
+void open_empty_space(Minesweeper_Board *board, int tile, int index);
+#pragma endregion
+
+#pragma region Global
+unsigned int width = MIDDLE;
+unsigned int height = MIDDLE;
+int num_bombs = MIDDLE * MIDDLE / NORMAL;
+#pragma endregion //Global
+
+
+void minesweeper_start(){
+    system("clear");
+    main_menu_minesweeper();
+}
+
+void main_menu_minesweeper(){
+    bool running = true;
+    while (running){
+        int option = 0;
+        
+        system("clear");
+        printf("Waehlen Sie eine Option:\n");
+        printf("\t1.Start\n");
+        printf("\t2.Options\n");
+        printf("\t3.Exit\n");
+        
+        scanf("%d", &option);
+        getchar();
+
+        system("clear");
+
+        switch (option){
+        case 1:
+            game_minesweeper();
+            break;
+        case 2:
+            options_minesweeper();
+            break;
+        case 3:
+            running = false;
+            break;
+        
+        default:
+            break;
+        }
+    }
+}
+
+void game_minesweeper(){
+    bool running = true;
+    int x, y, t;
+    Minesweeper_Board board = initialize_minesweeper();
+
+    place_bombs(&board);
+
+    while (running){
+        system("clear");
+        draw_minesweeper(&board);
+
+        printf("Next turn (x, y, t(0 = open, 1 = flag)): ");
+        scanf("%d %d %d", &x, &y, &t);
+        getchar();
+        if(x < board.width && x > -1 && y < board.height && y > -1){
+            x = x + y * board.width;
+            if(t == 0){
+                int bombs = open_tile(&board, x);
+                if(bombs == -1){running = false;}
+                else if(bombs == 0){open_empty_space(&board, x, 0);}
+                else{board.tiles[x] = bombs + 48;}
+            }
+            if(t == 1){board.tiles[x] = board.tiles[x] == FLAG ? BLOCK : board.tiles[x] == BLOCK ? FLAG : board.tiles[x];}
+        }
+        if (t == 2){break;}
+    }
+}
+
+void options_minesweeper(){
+    bool running = true;
+    while (running){
+        int option = 0;
+        
+        system("clear");
+        printf("Waehlen Sie eine Option:\n");
+        printf("\t1.Schwierigkeit\t\t%s\n", num_bombs < 2 * width * height / (NORMAL + EASY) ? "Einfach" : num_bombs < 2 * width * height / (NORMAL + HARD) ? "Normal" : "Schwer");
+        printf("\t2.Groesse\t\t%s\n", width * height < MIDDLE * SMALL ? "Klein" : width * height < MIDDLE * LARGE ? "Mittel" : "Gross");
+        printf("\t3.Custom\n");
+        printf("\t4.Exit\n");
+        
+        scanf("%d", &option);
+        getchar();
+
+        switch (option){
+        case 1:
+            printf("Bitte neu Schwierigkeit eingeben (1 - 3): ");
+            scanf("%d", &num_bombs);
+            getchar();
+            num_bombs = num_bombs == 1 ? EASY : num_bombs == 2 ? NORMAL : HARD;
+            num_bombs = width * height / num_bombs;
+            break;
+        case 2:
+            num_bombs = num_bombs < width * height / NORMAL ? EASY : num_bombs == width * height / NORMAL ? NORMAL : HARD;
+            printf("Bitte neu Groesse eingeben (1 - 3): ");
+            scanf("%d", &width);
+            getchar();
+            width = width == 1 ? SMALL : width == 2 ? MIDDLE : LARGE;
+            height = width;
+            num_bombs = width * height / num_bombs;
+            break;
+        case 3:
+            printf("Bitte Breite des Spielfeld eingeben: ");
+            scanf("%d", &width);
+            getchar();
+            printf("Bitte Hoehe des Spielfeld eingeben: ");
+            scanf("%d", &height);
+            getchar();
+            printf("Bitte Anzahl der Bomben eingeben: ");
+            scanf("%d", &num_bombs);
+            getchar();
+            break;
+        case 4:
+            running = false;
+            break;
+        
+        default:
+            break;
+        }
+    }
+}
+
+Minesweeper_Board initialize_minesweeper(){
+    Minesweeper_Board board;
+    board.width = width;
+    board.height = height;
+    board.tiles = (int*) malloc(width * height * sizeof(int));
+    for(int i = 0; i < width * height; i++){board.tiles[i] = BLOCK;}
+    board.marked = (int*) malloc(width * height * sizeof(int));
+    for(int i = 0; i < width * height; i++){board.marked[i] = 0;}
+    board.num_bombs = num_bombs;
+    board.bombs = (int*) malloc(board.num_bombs * sizeof(int));
+    for(int i = 0; i < num_bombs; i++){board.bombs[i] = -1;}
+    return board;
+}
+
+void place_bombs(Minesweeper_Board *board){
+    srand(time(NULL));
+    int r;
+    for(int i = 0; i < board->num_bombs; i++){
+        while (1){
+            r = rand() % (board->width * board->height);
+            if(!array_contains_value(board->bombs, r, board->num_bombs)){break;}
+        }
+        board->bombs[i] = r;
+    }
+}
+
+bool array_contains_value(int *array, int value, int length){
+    for(int i = 0; i < length; i++){
+        if(array[i] == value){return true;}
+    }
+    return false;
+}
+
+void draw_minesweeper(Minesweeper_Board *board){
+    printf("   ");
+    for(int i = 0; i < board->width; i++){printf("%d", i / 10);}
+    printf("\n   ");
+    for(int i = 0; i < board->width; i++){printf("%d", i % 10);}
+    printf("\n  +");
+    for(int i = 0; i < board->width; i++){printf("-");}
+    printf("+\n");
+    for(int i = 0; i < board->height; i++){
+        printf("%d", i / 10);
+        printf("%d|", i % 10);
+        for(int j = 0; j < board->width; j++){printf("%c", board->tiles[i * width + j]);}
+        printf("|%d", i / 10);
+        printf("%d\n", i % 10);
+    }
+    printf("  +");
+    for(int i = 0; i < board->width; i++){printf("-");}
+    printf("+\n   ");
+    for(int i = 0; i < board->width; i++){printf("%d", i / 10);}
+    printf("\n   ");
+    for(int i = 0; i < board->width; i++){printf("%d", i % 10);}
+    printf("\n");
+}
+
+int open_tile(Minesweeper_Board *board, int tile){
+    if(array_contains_value(board->bombs, tile, board->num_bombs)){return -1;}
+    int num = number_of_bombs(board, tile);
+    if(1){return num;}
+}
+
+int number_of_bombs(Minesweeper_Board *board, int tile){
+    int sum = 0;
+    for(int i = 0; i < 8; i++){
+        int check_tile = tile;
+        if(i < 3){if(tile % board->width == 0){continue;}
+        else{check_tile -= 1;}}
+        if(i > 4){if(tile % board->width + 1 == board->width){continue;}
+        else{check_tile += 1;}}
+        if(i % 3 == 0){if(i != 0 && tile / board->width == 0){continue;}
+        else{check_tile -= board->width;}}
+        if(i % 3 == 1){if(tile / board->width + 1 == height){continue;}
+        else{check_tile += board->width;}}
+        if(array_contains_value(board->bombs, check_tile, board->num_bombs)){sum++;}
+    }
+    return sum;
+}
+
+void open_empty_space(Minesweeper_Board *board, int tile, int index){
+    board->tiles[tile] = EMPTY;
+    board->marked[index++] = tile;
+    for(int i = 0; i < 8; i++){
+        int check_tile = tile;
+        if(i < 3){if(tile % board->width == 0){continue;}
+        else{check_tile -= 1;}}
+        if(i > 4){if(tile % board->width + 1 == board->width){continue;}
+        else{check_tile += 1;}}
+        if(i % 3 == 0){if(i != 0 && tile / board->width == 0){continue;}
+        else{check_tile -= board->width;}}
+        if(i % 3 == 1){if(tile / board->width + 1 == height){continue;}
+        else{check_tile += board->width;}}
+        int sum = open_tile(board, check_tile);
+        if(sum != 0){board->tiles[check_tile] = sum + 48;}
+        else if(!array_contains_value(board->marked, check_tile, index)){open_empty_space(board, check_tile, index);}
+    }
+}
\ No newline at end of file
diff --git a/src/main/c/Minesweeper/minesweeper_start.h b/src/main/c/Minesweeper/minesweeper_start.h
new file mode 100644
index 0000000..c37d731
--- /dev/null
+++ b/src/main/c/Minesweeper/minesweeper_start.h
@@ -0,0 +1,20 @@
+#ifndef MINESWEEPER_START_H
+#define MINESWEEPER_START_H
+
+typedef struct Minesweeper_Board{
+    unsigned int width;
+    unsigned int height;
+    int *tiles;
+    int *marked;
+    int num_bombs;
+    int *bombs;
+}Minesweeper_Board;
+
+
+void minesweeper_start();
+Minesweeper_Board initialize_minesweeper();
+bool array_contains_value(int *array, int bomb, int length);
+int number_of_bombs(Minesweeper_Board *board, int tile);
+
+
+#endif // MINESWEEPER_START_H
\ No newline at end of file
diff --git a/src/main/c/Snake/snake_start.c b/src/main/c/Snake/snake_start.c
index f6b7996..26c83c4 100644
--- a/src/main/c/Snake/snake_start.c
+++ b/src/main/c/Snake/snake_start.c
@@ -5,19 +5,21 @@
 #include <stdlib.h>
 #include "snake_start.h"
 #include "get_character.h"
+#define WIDTH 15
+#define HEIGHT 15
 #define TURN 0.5
 #define START_LENGTH 3
 #define START_DIRECTION 1
 #define START_TILE 8 * 16 + 8
 
 #pragma region Funktion_heads
-void main_menu();
-void game();
-void options();
+void main_menu_snake();
+void game_snake();
+void options_snake();
 Snake initialize_snake();
 void get_next_move(double limit, Snake *snake, bool *running);
 void move_snake(Snake *snake);
-void draw(Snake *snake, unsigned char fruit);
+void draw_snake(Snake *snake, unsigned char fruit);
 int part_of_snake(Snake *snake, unsigned char tile);
 bool check_if_dead(Snake *snake);
 unsigned char spawn_fruit(Snake *snake);
@@ -30,10 +32,10 @@ double TIME_TURN = 0.5;
 
 void snake_start(){
     system("clear");
-    main_menu();
+    main_menu_snake();
 }
 
-void main_menu(){
+void main_menu_snake(){
     bool running = true;
     while (running){
         int option = 0;
@@ -51,10 +53,10 @@ void main_menu(){
 
         switch (option){
         case 1:
-            game();
+            game_snake();
             break;
         case 2:
-            options();
+            options_snake();
             break;
         case 3:
             running = false;
@@ -66,7 +68,7 @@ void main_menu(){
     }
 }
 
-void game(){
+void game_snake(){
     Snake snake = initialize_snake();
     bool running = true;
     clock_t t = clock();
@@ -74,7 +76,7 @@ void game(){
 
     while (running){
         system("clear");
-        draw(&snake, fruit);
+        draw_snake(&snake, fruit);
         if(check_if_dead(&snake)){break;}
         t = clock() - t;
         get_next_move(TIME_TURN - (double)t / CLOCKS_PER_SEC, &snake, &running);
@@ -84,12 +86,12 @@ void game(){
     }
 }
 
-void options(){
+void options_snake(){
     int difficulty = 1;
     system("clear");
     printf("Please select a difficulty(1 - 10): ");
     scanf("%d", &difficulty);
-    TIME_TURN = TURN / difficulty;//(11 - difficulty) * TURN / 10;
+    TIME_TURN = TURN / difficulty;
 }
 
 Snake initialize_snake(){
@@ -139,7 +141,7 @@ void move_snake(Snake *snake){
     snake->segments[0] += snake->direction;
 }
 
-void draw(Snake *snake, unsigned char fruit){
+void draw_snake(Snake *snake, unsigned char fruit){
     printf("Score:%d  Speed:%f\n", snake->length - START_LENGTH, TIME_TURN);
     printf("+");
     for(int i = 0; i < WIDTH; i++){printf("-");}
diff --git a/src/main/c/Snake/snake_start.h b/src/main/c/Snake/snake_start.h
index 1634146..b985421 100644
--- a/src/main/c/Snake/snake_start.h
+++ b/src/main/c/Snake/snake_start.h
@@ -1,14 +1,12 @@
 #ifndef SNAKE_START_H
 #define SNAKE_START_H
 
-#define HEIGHT 15
-#define WIDTH 15
-#define AREA HEIGHT * WIDTH
+#include <stdbool.h>
 
-typedef struct{
+typedef struct Snake{
     signed char direction;
     char length;
-    unsigned char segments[AREA];
+    unsigned char segments[225];
 }Snake;
 
 
diff --git a/src/main/c/main.c b/src/main/c/main.c
index 0321f5a..c858693 100644
--- a/src/main/c/main.c
+++ b/src/main/c/main.c
@@ -2,8 +2,8 @@
 #include <stdlib.h>
 #include <stdbool.h>
 
-#include "Template/game100.h"
 #include "Snake/snake_start.h"
+#include "Minesweeper/minesweeper_start.h"
 #include "Pong/pong.h"
 
 int main(){
@@ -19,8 +19,8 @@ int main(){
         printf("\t2.Pong starten\n");
         printf("\t3.Snake starten\n");
         printf("\t4.Spiel4 starten\n");
-        printf("\t100.Template starten\n");
-        printf("\t6.Exit\n");
+        printf("\t7.Minesweeper starten\n");
+        printf("\t10.Exit\n");
         
         scanf("%d", &option);
         getchar();
@@ -38,10 +38,10 @@ int main(){
         case 4:
             //start_game4();
             break;
-        case 100:
-            start_game100();
+        case 7:
+            minesweeper_start();
             break;
-        case 6:
+        case 10:
             system("clear");
             running = false;
             break;
diff --git a/test/Minesweeper/test_bomb_in_array.c b/test/Minesweeper/test_bomb_in_array.c
new file mode 100644
index 0000000..7073857
--- /dev/null
+++ b/test/Minesweeper/test_bomb_in_array.c
@@ -0,0 +1,40 @@
+#ifdef TEST
+#include "unity.h"
+#include <stdbool.h>
+#include "../../src/main/c/Minesweeper/minesweeper_start.h"
+
+
+void setUp(void){}
+void tearDown(void){}
+
+
+void test_bomb_in_array(void){
+    /* arrange */
+    bool result;
+    int array[] = {5, 9, 42, 6, 87, 95, 202, 13, 45 ,78};
+    int bomb = 42;
+    int length = 10;
+
+    /* act */
+    result = array_contains_value(array, bomb, length);
+
+    /* assert */
+    TEST_ASSERT_TRUE(result);
+}
+
+
+void test_bomb_not_in_array(void){
+    /* arrange */
+    bool result;
+    int array[] = {5, 9, 42, 6, 87, 95, 202, 13, 45 ,78};
+    int bomb = 0;
+    int length = 10;
+
+    /* act */
+    result = array_contains_value(array, bomb, length);
+
+    /* assert */
+    TEST_ASSERT_FALSE(result);
+}
+
+#endif // TEST
\ No newline at end of file
diff --git a/test/Minesweeper/test_number_of_bombs.c b/test/Minesweeper/test_number_of_bombs.c
new file mode 100644
index 0000000..6a0dd4f
--- /dev/null
+++ b/test/Minesweeper/test_number_of_bombs.c
@@ -0,0 +1,97 @@
+#ifdef TEST
+#include "unity.h"
+#include <stdbool.h>
+#include "../../src/main/c/Minesweeper/minesweeper_start.h"
+
+
+void setUp(void){}
+void tearDown(void){}
+
+
+void test_no_bombs_placed_around_tile(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 0 + board.width * 1;
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(0, result);//no bombs placed
+}
+
+void test_searching_for_bombs_on_correct_tiles(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 0 + board.width * 1;
+    board.bombs[0] = 0 + board.width * 3;
+    board.bombs[1] = 2 + board.width * 1;
+    board.bombs[2] = board.width - 1 + board.width * 1;
+    board.bombs[3] = 0 + board.width * (board.height - 1);
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(0, result);//no bombs placed around tile
+}
+
+void test_2_bombs_around_tile(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 0 + board.width * 1;
+    board.bombs[0] = 0 + board.width * 2;
+    board.bombs[1] = 1 + board.width * 1;
+    board.bombs[2] = board.width - 1 + board.width * 1;
+    board.bombs[3] = 0 + board.width * (board.height - 1);
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(2, result);//2 bombs placed around tile
+}
+
+void test_5_bombs_around_tile(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 1 + board.width * 0;
+    board.bombs[0] = 0 + board.width * 0;
+    board.bombs[1] = 2 + board.width * 0;
+    board.bombs[2] = 0 + board.width * 1;
+    board.bombs[3] = 1 + board.width * 1;
+    board.bombs[4] = 2 + board.width * 1;
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(5, result);//5 bombs placed around tile
+}
+
+void test_8_bombs_around_tile(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 7 + board.width * 7;
+    board.bombs[0] = 6 + board.width * 6;
+    board.bombs[1] = 7 + board.width * 6;
+    board.bombs[2] = 8 + board.width * 6;
+    board.bombs[3] = 6 + board.width * 7;
+    board.bombs[4] = 8 + board.width * 7;
+    board.bombs[5] = 6 + board.width * 8;
+    board.bombs[6] = 7 + board.width * 8;
+    board.bombs[7] = 8 + board.width * 8;
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(8, result);//2 bombs placed around tile
+}
+
+#endif // TEST
\ No newline at end of file
diff --git a/test/Snake/test_collision.c b/test/Snake/test_collision.c
index e5d5a63..df400b0 100644
--- a/test/Snake/test_collision.c
+++ b/test/Snake/test_collision.c
@@ -1,8 +1,8 @@
 #ifdef TEST
 #include "unity.h"
 #include <stdbool.h>
-#include "../../src/main/c/Snake/snake_start.h"
-#include "../../src/main/c/Snake/get_character.h"
+#include "snake_start.h"
+#include "get_character.h"
 
 
 void setUp(void){}