Hannah is a cinematic horror adventure game that immerses players in a retro-inspired environment filled with platforming and puzzle-solving elements. Players take on the role of Hannah, a young girl from the 1980s, on a quest to retrieve her kidnapped doll. The game features an innovative 'obedience system' that tracks player choices, dynamically altering the game world and leading to multiple possible endings. This unique mechanic encourages exploration and replayability, as each decision influences the narrative and environment.

The game boasts a full 3D perspective, allowing for a rich visual experience enhanced by original music composed by Adrián Terrazas. Characters and creatures are brought to life using advanced motion capture technology, ensuring fluid animations and immersive gameplay. With collectables and engaging story-driven cinematics, Hannah offers a compelling journey that intertwines nostalgia with modern gaming mechanics.