It's not entirely clear what you mean by "infinitive phrase play". Do you mean:
* You wrote a play that includes a lot of infinitive phrases? That's a really interesting concept! Infinitive phrases are great for adding emphasis or creating a sense of purpose.
* You played a game involving infinitive phrases? That sounds like fun! What was the game about?
* Something else entirely?
Tell me more about your "test infinitive phrase play"! I'm curious to learn more.