Nefarious game makers appear to be leveraging a chat-based Roblox exploit that results in automatic account bans for unsuspecting users.

They can then explore ROBLOX — interacting with others by chatting, playing games, or collaborating on creative projects. There is no cost for this first plot of virtual land.

Roblox is implementing fixes for a chat moderation exploit that resulted in a wave of automatic bans, but the offenders say there’s more to come.