SpongeStar
Catch waves, chase stars, and ride through a colorful surfing adventure.
Original puzzle games, playful experiments, and worlds worth getting lost in. Built with curiosity. Polished until they're fun.
Our publishing lineup. Each game has its own identity and earns its place through playtesting.
Catch waves, chase stars, and ride through a colorful surfing adventure.
Drag, toss, and sort your way through satisfyingly chaotic workshop puzzles.
Explore The Boardwalk and five original virtual slot machines. No real-money wagering or prizes.
Crush a car, then drive, pitch and putt across 27 junkyard golf holes. Oil traps included.
Plan the route, press GO, and watch 1,000 challenges react to your decisions.
Two connected puzzle systems. One solution. Think before you pour.
Match cars with their spaces in a colorful parking puzzle.
Build and decorate cakes while unexpected tremors shake up the kitchen.
Defend the ramparts with a rapid-fire tennis-ball cannon and unleash bouncing chaos on invading knights.
Unknown Coast is an independent game studio creating original experiences—from quick, satisfying puzzles to bigger worlds. We experiment freely, play what we make, and only move forward when it feels right.
Projects actively taking shape at Unknown Coast. We release each one when it earns its place.

We're also exploring deeper creative projects like SurfStar, SlabStars, and BlankLab—from surfing worlds to custom cars and surfboard design tools.
Follow the development journey ↗