diff --git a/snake game.cpp b/snake game.cpp
new file mode 100644
index 0000000..f66fe9d
--- /dev/null
+++ b/snake game.cpp	
@@ -0,0 +1,168 @@
+#include<stdio.h>
+#include<conio.h>
+#include<dos.h>
+#include<stdlib.h>
+#include<time.h>
+main()
+{
+int i,j,k,l,m,b[14000],n,s,f,d,aa,ab,ac,ad,ae,af,g,x,c[80][23];
+char ch;
+textcolor(0);
+textbackground(7);
+clrscr();
+i=5;j=5;m=1;
+for(i=4;i<76;i++)
+{for(j=3;j<23;j++)
+{c[i][j]=0;}}
+clrscr();
+gotoxy(35,15);
+printf("welcome to snake mania");
+getch();
+clrscr();
+gotoxy(35,14);
+printf("instruction");
+gotoxy(35,15);
+printf("press w - up");
+gotoxy(42,16);
+printf("s-down");
+gotoxy(42,17);
+printf("a-left");
+gotoxy(42,18);
+printf("d-right");
+gotoxy(42,19);printf("q-qiut");
+start:
+clrscr();
+gotoxy(35,14);
+printf("choose number to select level");
+gotoxy(38,16);
+printf("1)easy");
+gotoxy(38,17);
+printf("2)medium");
+gotoxy(38,18);
+printf("3)hard");
+gotoxy(39,19);
+printf("4)professional");
+ch=getch();
+if(ch=='1')
+{s=400;}
+else if(ch=='2')
+{s=300;}
+else if(ch=='3')
+{s=100;}
+else if(ch=='4')
+{s=75;}
+else{goto start;}
+clrscr();
+for(i=4;i<76;i++)
+{gotoxy(i,3);printf("-");gotoxy(i,23);printf("-");}
+for(j=3;j<=23;j++)
+{gotoxy(3,j);printf("|");gotoxy(76,j);printf("|");}
+gotoxy(5,1);printf("score=0   ");
+gotoxy(50,24);printf("devolped by earnest");
+x=0;
+i=10;j=10;m=1;
+for(n=0;n<5;n++)
+{i=i+1;gotoxy(i,j);c[i][j]=1;b[m]=(i*100)+j;printf("*");m=m+1;}
+n=5;
+f=0;
+goto food1;
+game:
+left:
+f=1;
+while(!kbhit())
+{i=i+1;if(i>75||j>22||j<4||i<4){goto gameover;}
+if(c[i][j]==1){goto gameover;}
+if(i==aa&&j==ab){goto increase;}
+gotoxy(i,j);c[i][j]=1;b[m]=(i*100)+j;printf("*");d=b[m-n];k=d/100;l=d%100;
+gotoxy(k,l);printf(" ");c[k][l]=0;delay(s);m=m+1;}
+ch=getch();
+if(ch=='a')
+{goto left;}
+goto choice;
+right:
+f=2;
+while(!kbhit())
+{i=i-1;if(i>75||j<4||i<4||j>22){goto gameover;}
+if (c[i][j]==1){goto gameover;}
+if(i==aa&&j==ab){goto increase;}
+gotoxy(i,j);c[i][j]=1;b[m]=(i*100)+j;printf("*");d=b[m-n];k=d/100;l=d%100;
+gotoxy(k,l);printf(" ");c[k][l]=0;delay(s);m=m+1;}
+ch=getch();
+if(ch=='d')
+{goto right;}
+goto choice;
+up:
+f=3;
+while(!kbhit())
+{j=j-1;if(i<4||i>75||j>22||j<4){goto gameover;}
+if(c[i][j]==1){goto gameover;}
+if(i==aa&&j==ab){goto increase;}
+gotoxy(i,j);c[i][j]=1;b[m]=(i*100)+j;printf("*");d=b[m-n];k=d/100;l=d%100;
+gotoxy(k,l);printf(" ");c[k][l]=0;delay(s);m=m+1;}
+ch=getch();
+if(ch=='s'){goto up;}
+goto choice;
+down:
+f=4;
+while(!kbhit())
+{j=j+1;if(i<4||i>75||j>22||j<4){goto gameover;}
+if(c[i][j]==1){goto gameover;}
+if(i==aa&&j==ab){goto increase;}
+gotoxy(i,j);c[i][j]=1;b[m]=(i*100)+j;printf("*");d=b[m-n];k=d/100;l=d%100;
+gotoxy(k,l);printf(" ");c[k][l]=0;delay(s);m=m+1;}
+ch=getch();
+if(ch=='w'){goto down;}
+choice:
+if(ch=='w'){goto up;}
+else if(ch=='s'){goto down;}
+else if(ch=='a'){goto right;}
+else if(ch=='d'){goto left;}
+else if(ch=='q'){goto exit;}
+else {if(f==1){goto left;}
+else if(f==2){goto right;}
+else if(f==3){goto up;}
+else{goto down;}}
+food1:
+randomize();
+aa=(rand()%100);
+if(aa<=3){goto food1;}
+if(aa>=76){goto food1;}
+randomize();
+ab=(rand()%30);
+if(ab<=3){goto food1;}
+else if(ab>=23){goto food1;}
+gotoxy(aa,ab);printf("*");
+if(f==0){goto game;}
+if(f==1){goto left;}
+if(f==2){goto right;}
+if(f==3){goto up;}
+else{goto down;}
+increase:
+if(f==1){b[m]=(i*100)+j;gotoxy(i,j);printf("*");m=m+1;n=n+1;gotoxy(5,1);x=x+1;printf("score=%d",x);goto food1;}
+if(f==2){b[m]=(i*100)+j;gotoxy(i,j);printf("*");m=m+1;n=n+1;x=x+1;gotoxy(5,1);printf("score=%d",x);goto food1;}
+if(f==3){b[m]=(i*100)+j;gotoxy(i,j);printf("*");m=m+1;n=n+1;x=x+1;gotoxy(5,1);printf("score=%d",x);goto food1;}
+else{b[m]=(i*100)+j;gotoxy(i,j);printf("*");m=m+1;n=n+1;x=x+1;gotoxy(5,1);printf("score=%d",x);goto food1;}
+gameover:
+clrscr();
+gotoxy(35,10);
+printf("game over");
+gotoxy(30,11);
+printf("your score=%d",x);
+gotoxy(30,12);
+printf("press key to continue");
+getch();
+goto exit;
+exit:
+clrscr();
+gotoxy(32,11);
+printf("do you want to quit(y/n)");
+ch=getch();
+if(ch=='n')
+{goto start;}
+else if(ch=='y')
+{clrscr();gotoxy(35,11);printf("thanks for playing");getch();goto qiut;}
+else{goto exit;}
+qiut:
+getch();
+return 0;
+}