To be honest mate!

Centralized CASINO, It's always required you "KYC". Never believe anythings provided you anonymous feature because most of "Term & Condition" is always right to ask you KYC (With a note, In-some condition). If you want no-KYC, should using Decentralised Casino (On-chain) gambling while most of the gambling is using smart-contract. But you have limited game (Only Dice or Lottery).

Try to find casino with highest limit withdraw without KYC, for me avoiding KYC with limit 1,000$ for withdraw without KYC.