diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0ea42b4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+default:
+	clang gol.c -L raylib-5.5_linux_amd64/lib -l:libraylib.a -lm
+
diff --git a/gol.c b/gol.c
index 39c0477..3afabdd 100644
--- a/gol.c
+++ b/gol.c
@@ -1,10 +1,16 @@
 #include <stdbool.h>
+#include "./raylib-5.5_linux_amd64/include/raylib.h"
 
-#define SIZE 512
+#define SIZE 100
+
+#define WIDTH 1000
+#define HEIGHT 1000
+#define TITLE "Conway's Game of Life"
+#define FPS 15
 
 void initialize_grid(bool grid[SIZE][SIZE]){
     for(int i = 0; i < SIZE; i++){
-	for(int j = 0; i < SIZE; i++){
+	for(int j = 0; j < SIZE; j++){
 	    grid[i][j] = false;
 	}    
     }
@@ -12,7 +18,7 @@ void initialize_grid(bool grid[SIZE][SIZE]){
 
 void mirror_grid(bool grid[SIZE][SIZE], bool mirror[SIZE][SIZE]){
     for(int i = 0; i < SIZE; i++){
-	for(int j = 0; i < SIZE; i++){
+	for(int j = 0; j < SIZE; j++){
 	    mirror[i][j] = grid[i][j];
 	}    
     }
@@ -22,20 +28,20 @@ void simulate_grid(bool grid[SIZE][SIZE], bool mirror[SIZE][SIZE]){
 
      mirror_grid(grid, mirror);
      for(int i = 0; i < SIZE; i++){
-	for(int j = 0; i < SIZE; i++){
+	for(int j = 0; j < SIZE; j++){
 	    int neighbours = 0;
 	    
-	    int nx_prawo = i + 1 > SIZE ? 0 + (i + 1 - SIZE) : i + 1;
+	    int nx_prawo = i == SIZE ? 0 : i + 1;
 	    int ny_prawo = j;
 	    
-	    int nx_lewo = i - 1 < 0 ? SIZE - (i - 1 + SIZE) : i - 1;
+	    int nx_lewo = i == 0 ? SIZE : i - 1;
 	    int ny_lewo = j;
 
 	    int nx_gora = i;
-	    int ny_gora = j + 1 > SIZE ? 0 + (j + 1 - SIZE) : j + 1;
+	    int ny_gora = j == 0 ? SIZE : j - 1;
 
 	    int nx_dol = i;
-	    int ny_dol = j - 1 < 0 ? SIZE - (j - 1 + SIZE) : j - 1;
+	    int ny_dol = j == SIZE ? 0 : j + 1;
 
 	    neighbours = mirror[nx_prawo][ny_prawo] == true ? neighbours + 1 : neighbours;
 	    neighbours = mirror[nx_lewo][ny_lewo] == true ? neighbours + 1 : neighbours;
@@ -47,7 +53,7 @@ void simulate_grid(bool grid[SIZE][SIZE], bool mirror[SIZE][SIZE]){
             neighbours = mirror[nx_lewo][ny_gora] == true ? neighbours + 1 : neighbours;
 	    neighbours = mirror[nx_lewo][ny_dol] == true ? neighbours + 1 : neighbours;
 
-	    int state = neighbours < 2 ? 1 : neighbours == 2 || neighbours == 3 ? 2 : neighbours > 3 ? 3 : neighbours == 3 ? 4 : 0;
+	    int state = neighbours < 2 ? 1 : neighbours == 2 ? 2 : neighbours > 3 ? 3 : neighbours == 3 ? 4 : 0;
 
 	    switch (state)
 	    {
@@ -71,14 +77,53 @@ void simulate_grid(bool grid[SIZE][SIZE], bool mirror[SIZE][SIZE]){
     
 }
 
+void draw_grid(bool grid[SIZE][SIZE], int cellw, int cellh){
+    BeginDrawing();
+    ClearBackground((Color){ 0, 24, 24, 255 });
+    for(int i = 0; i < SIZE; i++){
+	for(int j = 0; j < SIZE; j++){
+	    if(grid[i][j]){
+		DrawRectangle(cellw*i, cellh*j, cellw, cellh, WHITE);
+	    }
+	}
+    }
+    EndDrawing();
+}
+
 int main()
 {
     bool grid[SIZE][SIZE];
     bool mirror[SIZE][SIZE];
-
+    
     initialize_grid(grid);
     mirror_grid(grid, mirror);
-    simulate_grid(grid, mirror);
+
+    //grid[SIZE/2][SIZE/2] = true;        //drawing famous glider
+    //grid[(SIZE/2)+1][(SIZE/2)+1] = true;
+    //grid[(SIZE/2)-1][(SIZE/2)+2] = true;
+    //grid[(SIZE/2)+0][(SIZE/2)+2] = true;
+    //grid[(SIZE/2)+1][(SIZE/2)+2] = true;
+
+    grid[(SIZE/2)][(SIZE/2)] = true;      //funny pattern
+    grid[(SIZE/2)+1][(SIZE/2)] = true;
+    grid[(SIZE/2)+1][(SIZE/2)-1] = true;
+    grid[(SIZE/2)+1][(SIZE/2)-2] = true;
+    grid[(SIZE/2)-1][(SIZE/2)] = true;
+    grid[(SIZE/2)-1][(SIZE/2)-1] = true;
+    grid[(SIZE/2)-1][(SIZE/2)-2] = true;
+     
+    InitWindow(WIDTH, HEIGHT, TITLE);
+    SetTargetFPS(FPS);
+
+    int cellw = WIDTH/SIZE;
+    int cellh = HEIGHT/SIZE;
+    
+    while(!WindowShouldClose()){
+
+	simulate_grid(grid, mirror);
+	draw_grid(grid, cellw, cellh);
+	
+    }
 
     return 0;
 }