pirate characters, cross-platform gameplay, Steam and Xbox, cooperative action, sailing ships, treasure hunting, sea battles, tropical islands, multiplayer interaction, realistic ocean waves, dynamic weather, day and night cycle, 3D rendered pirates, detailed ship models, cannon fire, swashbuckling sword fights, parrots, treasure chests, sunken ships, underwater exploration, sharks, mythical creatures, ambient lighting, wide-angle view, high-resolution textures, interactive environment, adventure theme, seamless integration, crossplay feature.