Koodu e bipụtara na-egosipụta onyonyo nke steeti Infocom mmepe usoro n'oge mmechi nke ụlọ ọrụ a. Ezubere koodu ahụ maka ọmụmụ nke usoro mmepe egwuregwu ochie, mkparịta ụka na nyocha na ngalaba akụkọ ihe mere eme kọmputa (ikike maka koodu ahụ emegheghị). Emebere mmepe egwuregwu na isi ebe eji OS Ọnụahịa kasị elu nke 20, a na-eji ihe nchịkọta eme ihe maka mgbakọ ZILCH. Edere koodu a na ZIL (Asụsụ mmejuputa Zork).