If you are trying to play games that are locked due to maturity restrictions, you can adjust these in your account settings. This is often necessary for players who are 13 or older but are still blocked from "Moderate" or "17+" content. :
Go to the Roblox Settings gear icon in the top-right corner. Select (or Privacy in some versions). Find the Content Maturity section. matures playing
Adjust the slider to your desired level (Minimal, Mild, Moderate, or 17+). : Tap the More icon (three dots) at the bottom right. Scroll to Settings and then select Parental Controls . If you are trying to play games that
: Suitable for all ages; may have occasional mild violence or light blood. matures playing