ðə plˈeɪɚɹ ɪz lˈɛft ɐ vˈɔɪs mˈɛsɪdʒ baɪ ðɛɹ ˈʌŋkəl mˈɔːɹɾɪmɚ bɹˈaɪən ɡɹˈiːn, ɐn ɛksˈɛntɹɪk ɪnvˈɛntɚ ænd θˈiːm pˈɑːɹk ˈoʊnɚ wɪð ɐ vˈɔɪs ænd pˌɜːsənˈælᵻɾi sˈɪmɪlɚ tə dˈɑːk ˈɛmɪt bɹˈaʊn, hˌuː hɐz ɹᵻvjˈuːd ðə plˈeɪɚz ɹˈoʊlɚ kˈoʊstɚ dɪzˈaɪnz.
The player is left a voice message by their Uncle Mortimer (Brian Greene), an eccentric inventor and theme park owner with a voice and personality similar to Doc Emmett Brown, who has reviewed the player's roller coaster designs.