ðə dɪvˈɛləpmənt fɔːɹ ðiːz ɡˈeɪmz tˈʊk sˌoʊ lˈɔŋ bɪkˈʌz ɡˈoːɹlɪn stˈɑːɹɾᵻd ˈʌðɚ ɡˈeɪmz ɪn bᵻtwˈiːn—ɐ blˈæk hˈoʊl ɡˈeɪm ænd ɐ sˈiːpleɪn ɡˈeɪm—wˌɪtʃ pɹˈuːvd tˈuː æmbˈɪʃəs ænd wˌɪtʃ hiː ˈɛndᵻd ˌʌp ɐbˈændənɪŋ.
The development for these games took so long because Gorlin started other games in between—a black hole game and a seaplane game—which proved too ambitious and which he ended up abandoning.