The Tycoon Completion bar shows your base's progress (Image via Roblox) As mentioned earlier, you need to complete your base before you can use Rebirth in the Roblox title.

Roblox Rarity Factory Tycoon has an obby (obstacle course) that you can finish to get a free 2x speed boost that is stackable on top of another boost. There is also a feature called Rebirth, which ...