TentaCat: The Lost Lineage is a retro 16-bit styled action platformer that introduces players to Aqua, an exceptional octopus-cat hybrid discovered as an egg on a secluded island by traveling merchants. Acquired by the scientist Dr. Schenkenberg, Aqua is raised as his own child. Estranged from his species, Aqua, and Dr. Schenkenberg embark on a journey to revisit our main character's birthplace. Spanning 14 meticulously crafted levels, players will navigate through various obstacles, collecting distinctive items and power-ups, and fight various bosses as they unravel the enigma surrounding the elusive TentaCats on the mysterious island.