Ghostman is the same as the original Pacman, except that there is a portal at each corner that transports you to the opposite corner. Use your keyboard arrow keys to move through the maze, while eating the dots along the way.
You need to clear all the dots to move to the next level in Ghost Pacman. You also need to avoid the ghosts, if they touch you, you lose a life. When you eat any of the red hearts, the ghosts change colour and you can eat them as well. This earns you extra lives.
Enjoy playing Ghostman and go back in time.