Onye okike mbibi John Romero na-ewepụta akwụkwọ akụkọ.
Akpọrọ aha Doom Guy: Ndụ n'ime Onye Mbụ, ọ na-ekwe nkwa ịkọwapụta ọrụ nke "kpakpando nkume mbụ nke egwuregwu".
Romero n'onwe ya na-akọwa ya dị ka "akụkọ dị mma nke ekele maka ndụ na egwuregwu. Koodu na egwuregwu gbanwere ọnọdụ ndụ m. M na-ekpuchi ihe niile n'ụzọ zuru ezu, gụnyere nkuzi m mụtara. "
