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.

Dive into O3 - Hollow Descent, a bullet-hell roguelike shooter set in a surreal universe inspired by the haunting art of H.R. Giger and Zdzisław Beksiński. As a lone astronaut stranded on a hostile planet, navigate ever-changing rooms filled with deadly traps and malevolent creatures. Uncover ancient ruins, confront intelligent life forms, and unravel the mysteries that lie within. <video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/24653d9588653e09cb623f66a84cc16d.poster.avif?t=1770656453" width=800 height=222 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/24653d9588653e09cb623f66a84cc16d.webm?t=1770656453" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/24653d9588653e09cb623f66a84cc16d.mp4?t=1770656453" type="video/mp4"></video> <img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/8eb3028a4b10548f3704571f6c1da57c.webp?t=1770656453" width=600 height=22 />The depths shift and reshape. Traverse ever-changing corridors, evade deadly traps, and fight to escape.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/f738f98da17d625ace928020535c5b54.poster.avif?t=1770656453" width=800 height=222 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/f738f98da17d625ace928020535c5b54.webm?t=1770656453" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/f738f98da17d625ace928020535c5b54.mp4?t=1770656453" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/7dea648af91537ea9b69af5e3ad60561.webp?t=1770656453" width=600 height=22 />The dungeon is relentless. Dash through waves of destruction, unleash devastating weapons, and carve a path through the unknown.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/daedacf4320ec27d458ff5203d0efc77.poster.avif?t=1770656453" width=800 height=222 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/daedacf4320ec27d458ff5203d0efc77.webm?t=1770656453" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/daedacf4320ec27d458ff5203d0efc77.mp4?t=1770656453" type="video/mp4"></video><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/8f059cc62fa452ca625e04178017a5eb.webp?t=1770656453" width=600 height=22 />Uncover the unseen and step beyond the veil. Reveal hidden rooms, open abyssal chests, and exchange remnants for powerful upgrades.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/32bdfcc5db5fba39fb86615b1731b09a.poster.avif?t=1770656453" width=800 height=222 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/32bdfcc5db5fba39fb86615b1731b09a.webm?t=1770656453" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2528960/extras/32bdfcc5db5fba39fb86615b1731b09a.mp4?t=1770656453" type="video/mp4"></video>

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O3: Hollow Descent Achievements