It sounds like you’re looking for a high-quality Spanish version (dub or text) of Dead Space — likely the original game, remake, or one of its sequels — with “extra quality” meaning either improved audio, fan retranslation, or a mod that enhances the Spanish localization.
The Dead Space remake (2023) includes several "extra quality" features and settings tailored for the Spanish-speaking market and high-end visual performance. Language and Localization dead+space+espanol+extra+quality
Subtitles & Interface: You can choose between Spain Spanish (Castellano) and Latin American variants, though voice options may vary by region. Technical "Extra Quality" Features It sounds like you’re looking for a high-quality
in Spanish (español), the best feature available is the 2023 Remake's comprehensive localization and technical overhaul. This version is designed to solve the issues found in older, lower-quality ports or fan translations. High-Quality Spanish Localization dead+space+espanol+extra+quality
For the original 2008 PC version, the community has created high-quality Spanish language patches: