Struggling with the limitations of the parser was one of the recurring frustrations with Infocom games. "GET LAMP" is fine, but anything more complex quickly be

Struggling with the limitations of the parser was one of the recurring frustrations with Infocom games. "GET LAMP" is fine, but anything more complex quickly becomes challenging. I remember getting stuck in "The Lurking Horror" because I couldn't figure out how to climb down off a ledge, despite having a ladder. Use ladder? Climb ladder? Climb down? Climb down with ladder? Climb ledge with ladder?