How to Play Roblox on School Chromebooks Using a Browser The other way to play Roblox is by using Now.gg—not directly, but indirectly with a simple change in URL.

Roblox is an online gaming platform that lets people create and play games. It has consistently been a popular platform for gamers to enjoy.

Roblox's enormous popularity has translated into millions of players across a variety of devices wanting to get their hands on it.

Fix #5: Use another browser. If the HTTP 503 error service unavailable remains, you can also try to see if you can access your Roblox game using a different browser.