Promo codes are used by operators to activate welcome bonuses and other special offers in their online casinos and sportsbooks. Different codes will activate different bonuses and will vary from operator to operator, and some offers will not need a promo or bonus code at all. By reading either our Rush Games review or this Rush Games bonus review, you should be able to see at a glance which, if any, Rush Games promo codes are needed to activate the Rush Games bonus.