In Sacra Terra: Angelic Night you awake bewildered and confused of your surroundings. Worse you are in what appears to be a metal institution unaware of how this has come to be. Once you find a way to escape you discover that some magical ceremony has gone wrong and the world is in jeopardy. In the process the ritual has released demonic spirits that embody the seven deadly sins of gluttony, greed, sloth, pride, lust, envy and wrath. To save the world from this evil you must find a way to defeat each of the demons before they can leave this place to torment the entire world. You also encounter another spirit which appears as an apparition of a young woman called Angel. She will assist you during your journey as you discover how to right the wrong that has occurred here and save humanity from evil.
The game style is one of hidden object puzzle adventure with hidden object scenes aiding in key plot event sequences or yielding needed items to assist the player in story progression. Hidden object scenes are traditional with word objects at the bottom of the screen to be found in the scene above. Some objects must be combined in the scene to be found and are indicated by colored words.