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EXONAUTIS: An Underwater Sci-Fi Survival Adventure

Crash-landed on a vibrant, yet perilous oceanic exoplanet in EXONAUTIS, a thrilling underwater sci-fi survival game. With only your salvaged wreckage and the guidance of S.A.L.T., navigate a vast alien open world and embark on an exciting journey to Kappa Outpost to begin your exploration of Calliope 4348A.

Explore a Biodiverse Alien Ocean

Dive into an expansive alien ocean teeming with vibrant, yet dangerous, fauna. Explore diverse ecological systems and adapt to unique biomes in Sector Alpha, from sun-drenched coral reefs to dark, deep ravines. Master each zone's intricacies to survive and dive deeper into the unknown.

Survive, Explore, and Upgrade Your Gear

Your survival hinges on resourcefulness. Scavenge the ocean floor for essential resources to manage your oxygen, find water, and maintain warmth. Craft crucial supplies and tools like scanners, samplers, and weapons. Upgrade your equipment to venture into increasingly dangerous and rewarding areas, expanding your exploration capabilities.

Unravel the Mysteries of Sector Alpha

Having barely survived your crash landing in mysterious Sector Alpha, your initial goal is to reach Outpost Kappa. But the mission takes a sinister turn upon discovering the outpost is deserted. Uncover the mysteries behind the disappearance and the secrets hidden within Calliope 4348A.

Pilot and Upgrade Advanced Underwater Vehicles

As you venture deeper, pilot advanced vehicles built to conquer the ocean's expanse. Construct and pilot the agile Horizon Racer, a versatile hoverbike for both land and water traversal, or the Neptune Explorer, a submersible that dramatically enhances your underwater exploration. Upgrade your vehicles to push the boundaries of your exploration even further.

Construct & Customize Underwater Bases

Surviving on an alien planet demands ingenuity. Construct underwater bases using intuitive builder tools. Choose from a variety of layout modules and components to design your custom habitat – a sanctuary to store resources, replenish supplies, and create a self-sustaining ecosystem with farming modules, greatly enhancing your survival prospects.

Face the Horrors of the Deep

Venture further and further into the ocean depths. Traverse sunlit shallows and vast underwater plateaus, descending over a thousand meters below the surface. Brave the dark, imposing oceanic expanses, encountering a seemingly bottomless trench teeming with horrors. Will you uncover the secrets of the planet, even amidst the terrifying creatures lurking below? Prepare to face the depths.