Automaton Heart is a unique RPG that blends platforming elements with an intricate organ management system. Players embark on a journey through mysterious environments, upgrading their automaton's organs to enhance combat abilities and unlock new features. Each organ upgrade influences gameplay, allowing for strategic decisions regarding equipment and item management. Players can explore the persistent world, stash items, and face challenges from enemies that may steal belongings during their adventures.

The game features three distinct characters, each with six unique abilities that cater to different playstyles. Players must strategize their item usage and gather supplies for their explorations. Progression is achieved through experience gained from uncovering secrets and defeating foes, which can be used to upgrade organs. Automaton Heart offers a compelling blend of exploration, strategy, and character-driven storytelling, making it a noteworthy addition to the RPG genre.