What's the difference between Repeat Win, Repeat Win Plus, and Repeat Win Deluxe?

Repeat Win: Any purchase can activate it. Only Base Game wins count (Free Games and Bonuses are not included), and your highest win of the day will be sent to your Inbox after the event ends (please check the in-game event rules for the maximum multiplier limits).
Repeat Win Plus: Only purchasing eligible packages can activate it. Your biggest Free Game or Bonus win of the day will be sent to your Inbox after the event ends (please check the in-game event rules for the maximum multiplier limits; holiday specials and promotions may not included).
Repeat Win Deluxe: Any purchase can activate it. Hit a Super Win, Fantastic Win, or Sensational Win (outside Free Games) to instantly play a mini-game and win rewards. One chance per purchase with no stacking.

Specific rules are subject to the event interface displayed on the day.