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Survival crafting game: build your raft, explore procedurally generated islands, feed the monster that powers your ship, and clean the black waters to expand and save the world. Solo or co-op.
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Match strength key:80+65+50+<50Coastless
SteamAbout Coastless
Survive aboard a makeshift raft in a world consumed by black waters. Catch fish, explore procedurally generated islands, gather resources, and feed a mysterious monster capable of powering your raft. Cleanse the ocean and reclaim a world that has all but disappeared.

The world is drowning in thick black waters.
Only scattered islands, scarce resources, and your battered old raft remain in the endless ocean. To survive and uncover what happened, you must embark on a dangerous journey into the unknown.
Catch fish, cook food, and carefully manage your supplies. Set foot on procedurally generated islands, chop down trees, break rocks, and collect materials to craft new tools. Expand your raft, build useful workstations, and transform a fragile wooden platform into a true floating home.

But the raft cannot travel far on its own.
A mysterious monster lives beside you. Keep it fed, and in return, it will generate the energy needed to move your raft forward. Install a steering wheel, raise the sails, and chart your own course across uncharted waters.

Survive the Night
Explore islands and prepare for the journey during the day. At night, conserve your resources and stay alert for the dangers lurking in the darkness.

Features
Build. Explore. Feed the monster. And do not let the black waters consume what little remains.

Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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