343K accounts from Facepunch (facepunch.com) were exposed in this breach. Besides email addresses, it included passwords, which makes it a high-risk breach.
Was your email address in this breach?
We display where your address leaked and what went with it. We never store the address.
We don't store your address. It is checked right here against about 1029 breaches, including this one.
Dates of birthEmail addressesIP addressesPasswordsUsernames
In June 2016, the game development studio Facepunch suffered a data breach that exposed 343k users. The breached data included usernames, email and IP addresses, dates of birth and salted MD5 password hashes. Facepunch advised they were aware of the incident and had notified people at the time. The data was provided to HIBP by whitehat security researcher and data analyst Adam Davies.
Source: Have I Been Pwned (CC BY 4.0)