Synthetic speech, voice es-MX-DaliaNeural. Mexican Spanish female voice selected by the game owner.
Files prepared once using Microsoft Edge read-aloud speech, with natural pitch and speaking rate.
Loudness, silence and MP3 encoding adjusted for Chega de Portunhol.
No player recordings are included. Playback reads these static files from the game site.

Voice information: https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support
Service terms: https://www.microsoft.com/en-us/servicesagreement