Most games of this period filled the empty space by enhancing the game with digitized speech and cut-scene videos.
It also had many lines of digitized speech, unusual for its time, a feature with which the game was marketed.
A system could store digitized speech on disk, play the appropriate spoken message, and process the human's DTMF response.
When the indicator reads full, it flashes and the corner man's digitized speech encourages the player to either "Put him away!"
In these encounters the player must engage in dialogue with them (notably for the time, featuring digitized speech) to win their trust.
The duck spoke now in lifelike tones completely unlike its normal digitized speech.
But once cheap, fast computers made digitized speech easy to study in the 1990's, the approach changed.
The Commodore 64 version is notable for its early use of digitized speech.
It also featured digitized speech.
The Commodore 64 version has some extra sound effects and some limited digitized speech.