Moana.

While I have not played Guandan specifically, it is a climbing game, like Big Two or Tichu, which I have. The main difference seems to be scoring by the card rank level and the wild cards.

BGG entry: https://boardgamegeek.com/boardgame/273913/guan-dan

If the leg press was good for you, then squats seem like a good option. Here’s a good place to start with lots of options for progression from whatever level you are starting from.

https://youtu.be/z3XQ7T4-abQ

Every accusation a confession.