Cover art for O3: Hollow Descent

O3: Hollow Descent

Release date to be announced

03 is a bullet-hell rogue-like shooter. Set in a surreal world inspired by the art of H.R. Giger and Zdzisław Beksiński.

Steam
Release date
Release date to be announced
Platforms
PC (Microsoft Windows)
Genres
Adventure, Indie

Shown at

  • Luigikid Indie Direct - Glizzy Indie Dev Showcase 2026 · May 27, 2026

Screenshots

Screenshot 1 from O3: Hollow Descent Screenshot 2 from O3: Hollow Descent Screenshot 3 from O3: Hollow Descent Screenshot 4 from O3: Hollow Descent Screenshot 5 from O3: Hollow Descent Screenshot 6 from O3: Hollow Descent

Community

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