AereA is an immersive Action RPG that invites players to step into the shoes of one of Great Maestro Guido's disciples on a quest to restore harmony to the world. Set on the fragmented floating island of Aezir, players must navigate through diverse environments, complete quests, and engage in combat against various bosses. The primary objective is to locate and return the nine primordial instruments, which are key to reestablishing balance in the game’s universe. As players progress, they will encounter puzzles that require both skill and strategy to solve.

Players have the option to choose from five distinct characters, each with unique abilities: Wolff the Harp-Archer, Jacques the Cello-Knight, Jules the Lute-Mage, and Claude the Trumpet-Gunner. Individuals can also join forces with friends through a local co-op mode. The game features a collection system for Music Sheets, allowing players to enhance their skills and tailor their weapons to fit their preferred play style, making for a customizable and engaging gameplay experience.