Multi — Roblox

: Running multiple clients is hardware-intensive. Users often encounter performance issues like lag or visual ghosting if their monitor's refresh rate does not match the game's frame rate.

For those still able to use multi-instance features, responsible management is key: Multi Roblox

: Some users report that Roblox is rolling out updates that may limit players to a single active account per device, though this rollout appears inconsistent across the user base. Currently, some users can still run multiple accounts, while others find their instances crash if they exceed a specific count, such as four. Legality and Policy : Running multiple clients is hardware-intensive