RPG Alphadia III invites players into a captivating narrative set against the backdrop of the Energi War. Players take on the role of Alfonso, an energi clone who embarks on a quest for self-discovery in a world driven by the pursuit of life energy. The game features deep turn-based combat mechanics, including SP Skills that can turn the tide of battle. Players will also encounter new systems like Arrays and the Energi Crock, enhancing the strategic elements of gameplay.

The game offers a variety of activities including ship upgrades to a seaplane, trading Energi Elements, and participating in missions and arenas, all presented in charming pixel graphics. Although RPG Alphadia III is free to play, it includes ads, which can be removed through in-app purchases. A premium edition is also available, providing additional bonuses, though save data cannot be transferred between editions.