In Tenebris is a dark, first-person sci-fi horror game where echolocation is the only way to find your way out. You see while you make sound, but you can also be heard by those you don't want to be around. Explore the corridors of a research facility, avoid enemies, and try to survive.

<p class="bb_paragraph" >The protagonist wakes up in a research facility in an alternate reality, 1990s Russia. The operation went according to plan: his eyes are gone, replaced by an experimental implant. Now the world is a reflection of sound. However, everything is too quiet.</p><h2 class="bb_tag" >Use sound to see your surroundings.</h2><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/647546b43e74d54f4cad624ac32dfeec.poster.avif?t=1781462450" width=700 height=394 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/647546b43e74d54f4cad624ac32dfeec.webm?t=1781462450" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/647546b43e74d54f4cad624ac32dfeec.mp4?t=1781462450" type="video/mp4"></video></span></p><h2 class="bb_tag" >Remember that every movement and sound has consequences.</h2><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/e2959f1d89c73b492222c6be633fd761.poster.avif?t=1781462450" width=700 height=394 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/e2959f1d89c73b492222c6be633fd761.webm?t=1781462450" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4677100/extras/e2959f1d89c73b492222c6be633fd761.mp4?t=1781462450" type="video/mp4"></video></span></p><h2 class="bb_tag" >Open locked areas, find keys, and uncover the dark secrets of the corporation that led to the disaster.</h2>

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In Tenebris Achievements