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.

This article explains what VR headsets are currently supported for Roblox, on top of discussing how to enable and enjoy Roblox with virtual reality.

Roblox is now available in open beta on Meta’s Quest VR headsets. Roblox and Meta had announced earlier in July that the social metaverse platform would be arriving on the headsets soon, and now ...