Keep Out in the title. Is it just good advice, or bad attempt about reverse psychology? (According to the psychology, people do right opposite of what they should to do). This is possible find out just via entry to the game... Well, take a sword and start the underground adventure, where is already waiting many strange creatures, ghosts and whole line of randomly generated maps. The goal is only one - explore the area and find a way to get out (big door). And survive, of course.
Instructions: Use the arrows, the W,A,S,D keys and the space bar to play this game.