スターシードアスニアトリガー invites players into a captivating post-apocalyptic realm where humanity has vanished, leaving behind only AI companions known as Proxians. As players embark on a quest to uncover the mysteries of human extinction, they are accompanied by charming AI girls from seven distinct civilizations. The game features vibrant character designs and an engaging storyline, enhanced by the voices of renowned Japanese voice actors, creating an immersive experience that blends adventure with emotional connections.

Customization is a key feature of the game, allowing players to shape their journey through choices that influence character growth. With unique skills and strategies, players can utilize two types of ultimate techniques in battles, making each encounter strategic and dynamic. The game supports iPhone models 10 and above, requires iOS 13 or later, and offers optional features such as push notifications and personalized advertisements, all while ensuring a rich gaming experience without mandatory access permissions.