Castle Master Game

The game requires the player, through a first-person view, to explore Castle Eternity. There are riddles on many of the castle walls, which give gamplay hints. There are also keys and pentacles hidden in various locations for the player to collect. Many rooms contain spirits which attack the player and reduce his or her strength. The player's only weapon is an unlimited supply of rocks to throw, but a single hit is sufficient to exorcise most of them.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".