Something on the site is wrong
If you have an account, the fastest route is the Report link beside the post, comment, review, message or profile. It goes straight into the moderation queue with the thing attached.
Somebody published your work
Write to us with a link to the game here, and something showing the work is yours. We take it down first and ask afterwards, so say clearly who you are and what you are claiming.
Your data
A copy of everything held about you is a button on the privacy page, and deleting your account is on your profile. For anything those two do not cover, write to us.
An account was suspended
The reason appears when you try to sign in. If you think it is wrong, say so — say which account, and what you think happened.
hello@gameplatform.example Replace this with the real address before the site goes live.