Chuck E. Cheese's has an e-mail newsletter called the Chuck E. Club, and in it this month, you can print a coupon for 20 FREE tokens! The coupon is valid October 30th through November 1st and is limited to one per household. Now that every game only costs one token, 20 will go far!
Sign up for the Chuck E. Club here. You'll get additional coupons and freebies throughout the year!