Hadalis is a co-op deep sea survival game where every mistake can be fatal. Alone or with a crew, descend into the hadal zone while keeping your fragile submersible intact as pressure, creatures, and failing systems push you to the brink. Will you endure the abyss?

<h2 class="bb_tag" >About This Game</h2>Hadalis is a co-op deep-sea survival adventure where one wrong move can doom your entire crew. Whether diving solo or with your team, your mission is to descend into the hadal zone while preventing your fragile submersible from falling apart. Crushing pressure, hostile fauna, and critical system failures stand between you and the darkest region of the ocean. Will you make it back to the surface?<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/90d39f69ef0f6b3337e75800f08145ce.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/90d39f69ef0f6b3337e75800f08145ce.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/90d39f69ef0f6b3337e75800f08145ce.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >WORK TOGETHER</h2>The deeper you go, the more your life depends on your crew. Coordinate repairs, manage oxygen, patch leaks, and keep each other calm as the hull creaks under extreme pressure. A single distraction can mean losing the entire dive.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/e839bda5f97ac7723ee646a1b1a6ff20.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/e839bda5f97ac7723ee646a1b1a6ff20.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/e839bda5f97ac7723ee646a1b1a6ff20.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >DESCEND</h2>Welcome to the Abyss:Travel through multiple underwater layers, each with unique threats, from unstable caverns and volcanic vents to pitch-black zones where creatures track only by sound. Navigating hazards carefully is the only way to keep the sub intact.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/60d78c3b9cd8424686e2c82695a5b2cb.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/60d78c3b9cd8424686e2c82695a5b2cb.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/60d78c3b9cd8424686e2c82695a5b2cb.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >SURVIVE</h2>Everything Wants You Gone:You’ll have to manage limited oxygen, lighting, and hull integrity while dealing with unpredictable sea life and environmental dangers. When systems fail and they will, you’ll scramble together to keep the dive alive.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/d2be73f9ed6dbf3e2cbffc8a9c71877f.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/d2be73f9ed6dbf3e2cbffc8a9c71877f.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/d2be73f9ed6dbf3e2cbffc8a9c71877f.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >DISCOVER THE DEEP</h2>Uncover lost wrecks, strange organisms, and remnants of previous expeditions. The hadal zone hides more than just danger, only the bravest will uncover its mysteries.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/fced178bf38abe46d6c994dc4e858eb6.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/fced178bf38abe46d6c994dc4e858eb6.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/fced178bf38abe46d6c994dc4e858eb6.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >MULTIPLAYER DIVING</h2>Bring Friends… or Take the Risk Alone:Invite up to three other divers to explore the abyss together, communicating through proximity chat to coordinate repairs and movements. Or dive solo if you dare face the deep without backup.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/3395ed90e2e61e8ebaf0c30b6347899b.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/3395ed90e2e61e8ebaf0c30b6347899b.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/3395ed90e2e61e8ebaf0c30b6347899b.mp4?t=1775859927" type="video/mp4"></video><h2 class="bb_tag" >FEATURES</h2>• Co-op for up to 4 divers• Proximity voice chat for immersion• Multiple dangerous biomes to explore• System failures, leaks, and hull pressure management• Hostile deep-sea creatures• Story elements and mysterious discoveries• Online co-op and offline solo play<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/76cc22a2ab55cfdc9d00f2d4fe869ea4.poster.avif?t=1775859927" width=1138 height=322 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/76cc22a2ab55cfdc9d00f2d4fe869ea4.webm?t=1775859927" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4200000/extras/76cc22a2ab55cfdc9d00f2d4fe869ea4.mp4?t=1775859927" type="video/mp4"></video>

Good Game Database

Hadalis Achievements