The story takes place ten years after the events of Beneath a Steel Sky, where protagonist Robert Foster returns to Union City to track down a kidnapped boy named Milo from his village. As he navigates the city's complex technology and social hierarchy, Foster reunites with old friends and faces new challenges.
Foster explores the city, interacting with its inhabitants and uncovering conspiracies. He delves into the inner workings of MINOS, the AI that governs society, and searches for his companion Joey, who disappeared five years earlier under mysterious circumstances.
The gameplay involves exploring 3D environments using direct controls, where interactive objects and characters are highlighted to initiate conversations or actions. Players can run, use a scanner to hack devices, and solve logic puzzles to progress through the game.
As players progress, they'll encounter various dialogue options, a hint system, and an inventory management screen. With voiced characters and an in-game objective tracker, Foster's journey is guided by subtle hints and encouragement to keep exploring.