You will have hard time in looking for one that's still non/free kyc casino. Because the majority now asks you verification whenever they want to or when you trigger something like huge wins and withdrawals.
At start, they're fine with that and won't be forcing you but it won't take you forever when they will start looking for additional documents for you to supply them and for you to keep gambling with them.
Even the known and popular casinos in the forum, they've went that way.
That's how most casinos operate, it's not necessary when signing up, but eventually you might be subject to submit your documents. Perhaps, you won't facr any issues with minor deposits or withdrawals, but don't take my word for it. You'll find plenty of reputable casinos on the gambling sections, some of which include Rollbit, Roobet, Stake, and plenty of others, find one that suits your needs and sign up. I personally wouldn't be into a kyc-free casino, but that's a personal choice, you're free to choose what suits you best, however, I don't have one I could recommend you.