Ko te waehere kua whakaputaina e whakaatu ana i te ahua o te punaha whanaketanga Infocom i te wa o te katinga o tenei kamupene. Ko te tohu mo te ako i nga tikanga whanaketanga keemu tawhito, te korerorero me te rangahau i roto i te waahi o te hitori o te rorohiko (kaore e tuwhera te raihana mo te waehere). Ko te whakawhanaketanga keemu i mahia i runga i te anga matua me te OS TOPS20, i whakamahia he whakahiato mo te huihuinga ZILCH. Kua tuhia te waehere ki te ZIL (Zork Implementation Language).