Embedded Files
Music and Sound FX for your game.
Welcome!
At Koshi Game Audio, producer Gustavo Koshikumo creates soundtracks and sound effects designed to elevate your game’s atmosphere and storytelling. Blending technical precision with artistic sensitivity, every piece of music and every sound is crafted to enhance immersion and support your creative vision.
Whether you’re an indie developer or a growing studio, we´ll work closely with you to shape a unique audio identity for your project, delivering high-quality, emotionally resonant sound and music that bring your world to life.
No AI will be used whatsoever in the making of the music or the sound fxs.
Check out the videos below for Koshi Game Audio's work:
Soundtrack Demo Reel (dec.2025)
Soundtrack Demo Reel (dec.2025)
NEW!!!
Soundtrack Demo Reel (oct.2025)
Soundtrack Demo Reel (oct.2025)
Check the full version of the tracks here: https://soundcloud.com/gustavokoshikumo
Sound Design Demo Reel (oct.2025)
Sound Design Demo Reel (oct.2025)
About me
About me
I’m Gustavo Koshikumo, a music producer with more than 20 years of experience working across diverse musical landscapes. At Koshi Studio, my home studio in São Carlos - SP - Brasil, I develop and refine music with artistic depth and technical excellence. From full song production and arrangement to recording, editing, mixing and mastering, collaborating with artists from Brazil and around the world. Check my work as a music producer:
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