Ok so the idea of this game is to fill in the missing word in each association statement.
For example, if the riddle was:

Maya is to Alejandro as Claire is to _______

The answer would be "Lyle" as Alejandro is Maya's brother, as Lyle is Claire's brother.

To make it hard, the riddles can be as abstract as you like, such as:
Adrian is to Peter as Milo is to ________

(Answer: Nathan, as Adrian Pasdar's character (Nathan) is brothers with Milo Ventimiglia's character (Peter).)

There can be more than one answer to a riddle, the person who sets the question gives props after someone guesses the answer they were thinking of. Double props if someone makes a mistake in the question.
Person who gets the last answer correct sets the next question [Or if you don't want to, just say and in that case anyone can randomly set it].