What are the comparative forms of play?

It's difficult to give you a definitive list of "comparative forms of play" without more context. "Play" can encompass a wide range of activities. To help me understand what you're looking for, could you please clarify what you mean by "comparative forms of play"?

For example, are you interested in:

* Different types of play: (e.g., pretend play vs. physical play vs. solitary play vs. social play)

* Play across different ages or developmental stages: (e.g., how play changes from infancy to adolescence)

* Play across different cultures: (e.g., how the forms and functions of play differ in various societies)

* Play in different contexts: (e.g., play in a playground vs. play in a classroom vs. play online)

Once I understand your specific interest, I can give you a more helpful and relevant response.