Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.

<p class="bb_paragraph" >Descend into a breathtaking alien ocean and uncover secrets lost for over 11,000 years.</p><p class="bb_paragraph" >In Sinking Eternity, you awaken from cryosleep alone on a small island with no memory, only the distant echoes of an ancient mystery waiting beneath the waves. You must explore a vast, dangerous, and beautiful underwater world to survive.. and to discover the truth.</p><h2 class="bb_tag" >Explore the Unknown</h2><p class="bb_paragraph" >Dive into sprawling biomes teeming with life, from vibrant coral forests and volcanic trenches to the haunting ruins of a forgotten civilization. Each location holds resources, dangers, and clues to an ancient story that connects you to this world.</p><h2 class="bb_tag" >Survive Beneath the Waves</h2><ul class="bb_ul"><li><p class="bb_paragraph" >Gather food, water, and crafting materials to endure the deep.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Upgrade your diving gear to withstand crushing depths of down to 2500m+ / 8200ft+ in Early Access.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Manage oxygen, pressure, and the ever-present threat of hostile creatures.</p><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/3715810/extras/dab745284f4c48f97b3f08cd5a6cc397.poster.avif?t=1770607978" width=1170 height=252 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/dab745284f4c48f97b3f08cd5a6cc397.webm?t=1770607978" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/dab745284f4c48f97b3f08cd5a6cc397.mp4?t=1770607978" type="video/mp4"></video></span></p></li></ul><h2 class="bb_tag" >Build Your Ocean Refuge</h2><p class="bb_paragraph" >Construct and expand your shelter on a small island. Craft tools, upgrade stations, and even invite friendly creatures to share your space. Your base is more than safety, it’s your lifeline.</p><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/3715810/extras/571921c0423a6b46ba9a8bc14fab786d.poster.avif?t=1770607978" width=1170 height=252 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/571921c0423a6b46ba9a8bc14fab786d.webm?t=1770607978" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/571921c0423a6b46ba9a8bc14fab786d.mp4?t=1770607978" type="video/mp4"></video></span></p><h2 class="bb_tag" >Uncover an Ancient Mystery</h2><p class="bb_paragraph" >Discover survivor logs, investigate strange artifacts, and unlock the hidden history of a long-vanished expedition. Every clue brings you closer to the truth, and deeper into danger.</p><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/3715810/extras/efa0b5a5ea6f7cde8b74bfad39d4d5d0.poster.avif?t=1770607978" width=1170 height=252 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/efa0b5a5ea6f7cde8b74bfad39d4d5d0.webm?t=1770607978" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3715810/extras/efa0b5a5ea6f7cde8b74bfad39d4d5d0.mp4?t=1770607978" type="video/mp4"></video></span></p><h2 class="bb_tag" >Key Features</h2><ul class="bb_ul"><li><p class="bb_paragraph" >Vast single player world with handcrafted, vibrant environments.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Immersive first-person exploration with survival and RPG progression.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Varied biomes, from serene shallows to abyssal trenches.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Engaging main storyline with optional side quests.</p></li></ul><ul class="bb_ul"><li><p class="bb_paragraph" >Unique blend of peaceful exploration and tense encounters.</p></li></ul><p class="bb_paragraph" ></p><p class="bb_paragraph" >The deeper you go, the stranger, and more dangerous the world becomes.</p><p class="bb_paragraph" >Will you survive long enough to uncover the truth hidden in the Sinking Eternity?</p><h2 class="bb_tag" >Photosensitivity/Epilepsy Warning:</h2><p class="bb_paragraph" >Some people may experience health problems when exposed to flashing lights or certain visual patterns. If you have a history of photosensitivity or epilepsy, or if you experience any symptoms while in-game, we recommend that you immediately stop playing and consult a doctor.</p>

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Sinking Eternity Achievements