ɪɾ ˈædᵻd ɐ fˈʌŋkʃən tʊ ɐlˈaʊ ðə θˈɜːd ᵻdˈɪʃən ɹˈuːlz ʌvðə ɡˈeɪm æz wˈɛl æz nˈuː fˈiːtʃɚz sˈʌtʃ ɐz ɐlˈaʊɪŋ ɐ sˈʌbmɚɹˌiːn tə səbmˈɜːdʒ ɪnstˈɛd ʌv wɪθdɹˈɔːl ænd hˌævɪŋ mˌʌltɪpəl ˌeɪˈeɪ ɡˈʌnz ˈɑːkjʊpˌaɪ ðə sˈeɪm tˈɛɹɪtˌoːɹi.
It added a function to allow the third edition rules of the game as well as new features such as allowing a submarine to submerge instead of withdrawal and having multiple AA guns occupy the same territory.