Badge

Badges are a way of saying "hey, you did something" in Roblox. In Roblox Chat, they're used for signifying you went to this party, you met this mascot, or something else.

The many badges of Roblox Chat
Roblox Chat has 7 badges, 6 for all of the parties, and one for meeting a mascot. You can no longer get 5 of these badges, due to some of the parties ending.