Puzzle Cats offers Daily Challenges in both Puzzle Cat Mode and Cat Solitaire mode, a player can update their preference for which Daily Challenge they prefer in the settings menu.
The options are:
Puzzle
Solitaire
Both
If the option selected is Both then the Daily Challenge is randomly selected between the two (Puzzle and Solitaire)
A player will know which one they are getting when they look at the Daily Challenge calendar view.