Yes, Roblox can be played on the the Oculus Quest 2. Unfortunately, that's not the complete answer. The process is not as simple as buying the game through the Oculus Quest shop.

Playing Roblox on Meta Quest 2 What do you need to play Roblox on Meta Quest 2? Aside from the Meta Quest 2 headset, you’ll need a VR-ready PC. Numerous PCs come pre-built with everything you ...

Roblox is not yet available on Oculus Quest 2, but as per some reports, you may see the popular game officially on VR in late 2023.

Roblox already features support for SteamVR headsets. Provided you have a VR-ready PC, that also means you can play with Oculus Quest via Link (or Air Link on Quest 2).