diff --git a/src/utictactoe.c b/src/utictactoe.c
index 9591c07..aa03731 100644
--- a/src/utictactoe.c
+++ b/src/utictactoe.c
@@ -4,6 +4,7 @@
 #include <stdbool.h>
 #include <assert.h> 
 #include <string.h>
+#include "utictactoe.h"
 
 void help(){
     printf("usage: utictactoe ([-i LEVEL|-x N|-o N|-v|-V|-h] | -c FILE)\n");
@@ -48,25 +49,28 @@ int main(int argc, char* argv[]) {
                 inception_level = 2;
             }  
             break;
-        case 'x': /* 'a' option */
-            printf ("contest activated\n");
+        case 'x':
+            printf ("cross ai\n");
             cross_ai = true;
             break;
 
-        case 'o': /* 'a' option */
-            printf ("contest activated\n");
+        case 'o':
+            printf ("round ai\n");
             round_ai = true;
             break;
 
-        case 'c': /* 'a' option */
+        case 'c':
             printf ("contest activated\n");
             contest = true;
             break;
-
+        case 'V':
+            printf("utictactoe %d.%d.%d\n", VERSION, SUBVERSION, REVISION);
+            printf("This software implements a full ultimate tictactoe game.\n");
+            exit(EXIT_SUCCESS);
         case 'h':
             help();
             exit(EXIT_SUCCESS);
-
+        
         default:
             exit (EXIT_FAILURE);
         }
diff --git a/src/utictactoe.h b/src/utictactoe.h
index e69de29..b9d2166 100644
--- a/src/utictactoe.h
+++ b/src/utictactoe.h
@@ -0,0 +1,6 @@
+#ifndef UTICTACTOE_H
+#define UTICTACTOE_H
+#define VERSION 1
+#define SUBVERSION 0
+#define REVISION 0
+#endif /* UTICTACTOE_H */