I would like to share some of my ideas
Hilo 200x without Skipping cards
Dice hunt based on date like december 24 (Hunt is 1224x and it should have same numbers in bet id like 12 or 24)
Limbo roll hunt based on date too and like december 24 (Hunt is 1224x and it should have same numbers in bet id like 12 or 24)
Challenge with a twist. Like trivia you need to hit the roll hunt at the same time with your answer in the trivia
Diamond poker 4 of a kind or 5 of a kind in a banker (2 winners alternate if someone hit the player 5 of a kind next will be the banker)
Video poker 4 of a kind but it need to be a King and the 5th card will be Queen. (4 of a kind of a queen then a king)
Plinko 130x you need to hit 2times no need to be consecutive.
Trivia about numbers then hit it with limbo.
Trivia about cards then hit it in Video poker.
That`s my idea i hope it helps.