wˈɔːkɚɹ ˈɔːlsoʊ dɪzˈaɪnd sˈɛvɹəl smˈɔːlɚ bˈoːɹd wˈɔːɹɡeɪmz fɔːɹ fɹˈiː pˌʌblɪkˈeɪʃən ɪn ˈɑːɹmtʃɛɹ dʒˈɛnɚɹəl mˌæɡɐzˈiːn, ɔːlðˈoʊ nˈʌn ʌv ðˌɛm wɜː pɚtˈɪkjʊlɚli tʃˈæləndʒˌɪŋ tə hˈɑːɹdkoːɹ ɡˈeɪmɚz.
Walker also designed several smaller board wargames for free publication in Armchair General Magazine, although none of them were particularly challenging to hardcore gamers.