Aquamarine: Explorer's Edition is a turn-based adventure game that blends roguelike, survival, exploration, and puzzle-solving elements within a playable comic book aesthetic. Players control The Seeker, a lone space traveler stranded on an alien ocean world. Survival requires foraging for food, salvaging tools, and cultivating alien plants. Crafting upgrades for the amphibious survival pod is essential for navigating the depths and overcoming challenges. The game tasks players with uncovering the planet's lost history and the protagonist's true identity.
The core gameplay loop involves managing resources, studying alien wildlife, and solving environmental puzzles to progress. Players customize their pod's loadout for each expedition into the water. The narrative unfolds as The Seeker journeys to reach their crashed starcraft, piecing together the planet's past.