Roblox is not one game. It is a platform full of experiences made by many different creators, which is why two children can both say they play Roblox and mean completely different things.
Some children like fashion games. Others prefer pets, roleplay, mystery rounds, obstacle courses or combat games. The title alone rarely tells you enough.
Brookhaven is a free-form roleplay game where players make their own stories. Adopt Me! focuses on pets, homes and trading. Dress to Impress is a fashion game built around themes, outfits and runway voting.
Murder Mystery 2 is a social deduction game with a sheriff, innocents and a murderer. Blox Fruits and similar combat games are more about fighting, progress and collecting abilities.
Look at the game's content rating, communication settings and whether trading or spending is part of the experience. A calm creative game can still have social pressure, and a silly game can still have chat you may want to manage.
Roblox parental controls let parents adjust content access, communication, spending and screen time. Those tools are useful, but they work best when paired with ordinary conversation.
Ask your child what they like about the game, who they play with, and whether anything in the game has made them uncomfortable. Most children explain their favourite games very clearly when they do not feel like they are being interrogated.
A short check-in is usually better than a long lecture. It also gives you a more honest picture of what they are actually doing on Roblox.