| App Type | demo |
| Full Game | O3: Hollow Descent |
| Release Date | Unknown |
| Details Last Modified | February 22, 2026 (7 months ago) |
| Developer | Ta2 Games |
| Publisher | Ta2 Games |
| Supported Systems | Windows, Mac, Linux |
| Price | Free |
| Required Age | 0+ |
| Support | https://www.ta2gamesstudio.com/ |
| Support Email | simt@ta2gamesstudio.com |
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O3 - Hollow Descent is a bullet-hell rogue-like shooter. Set in a surreal world inspired by the art of H.R. Giger and Zdzisław Beksiński.