While the lead developer (Skeli) created the game in English, a dedicated community has worked on the Official Spanish Translation Translation Status:
I can definitely help you prepare a paper about Pokémon Unbound. Since you mentioned "descargar en español oficial" (official Spanish download), I will structure this paper to cover the game's features, its localization, and how to properly access it. Pokémon Unbound: A Comprehensive Overview pokemon unbound descargar en espanol oficial new
This "new" version primarily focuses on critical bug fixes and stability, including: Spanish Localization While the lead developer (Skeli) created the game