u/No-Stress-7024

€100 is a budget for audio curation (finding high-quality royalty-free sounds, editing them, and making sure they fit the game's UI and theme).

Or hiring an entry-level/hobbyist designer to create a few custom UI clicks, ambient loops, and notification alerts.

The game is Apochess (https://www.kongregate.com/en/games/mansimas/apochess)

Needs to replace Music and add missing sounds (or replace existing).