Gamescape

Gamescape is a text adventure (interactive fiction) game creator, similar in concept to others like AGT, except that it also allows you to include limited "graphics" in the games. The setup is somewhat confusing, with an editing program, a compiler, and a third program to run the actual games. You enter your locations, objects, and keywords, and define the logic that binds the whole game together. It seems to work as intended, but the author admits that you only get the full manual when you register, which cost $95 (!) making this possibly the most expensive shareware program on this website!