On the free ChatGPT, I got it to play hangman with the prompt:

> Let's play hangman. I'm thinking of a word: _______

It made a variety of guesses generally in the form of

> Based on the pattern you provided, I will guess the letter "I". Is there an "I" in the word?

My response was either "No [letter]" or an updated state of the word: "_RE_IE_".