In August 2023, PlayCyberGames which "allows users to play any games with LAN function or games using IP address" suffered a data breach which exposed 3.7M customer records. The data included email addresses, usernames and MD5 password hashes with a constant value in the "salt" field. PlayCyberGames did not respond to multiple attempts to disclose the breach.
Source: HaveIBeenpwned
Source Link: https://haveibeenpwned.com/PwnedWebsites#PlayCyberGames