The game uses a third-person perspective with static illustrated screens and a point-and-click interface. Gabriel moves between locations, examines hotspots, talks with characters, and combines or uses inventory items to advance the investigation.

The story is divided into numbered days. Each day introduces new locations, evidence, conversations, and puzzles, with progress controlled by Gabriel's discoveries and decisions. The player must pay attention to dialogue and documents because some clues only become useful after earlier events have occurred.

Examine every visible hotspot and revisit locations after major discoveries. Exhaust dialogue options with witnesses, record important names and symbols, and inspect books and documents closely.

Use inventory items only when the situation supports their purpose, and save before testing unusual interactions. The day structure can make clues appear unavailable until the correct conversation or event has occurred.