The player represents one of many people who have been abducted by aliens and transported to an alternative dimension, in a strange but familiar city.
The mission is to explore the city and find the clues that will lead to the torturers and make the protagonist to go home.
In addition to the RPG features in the first person, the games of that era, the game offers a moral assessment of the character that becomes good or bad.
This affects the way the environment reacts.
They are certainly not solved by the combat system, but you can also try to trick, enchant or corrupt your opponents.
The plot is non-linear, it is a game to improve once or simply to waste time.