Doomsday Key location in Rob a Convenience Store Simulator Unlock the Basement area to find the Doomsday Key (Image via Roblox) To get the Doomsday Key, first unlock the Basement.

Knowing how this Roblox game functions will help you to understand how to unlock the facility in the most efficient way possible.

Roblox's Ready Player One event has begin. Check out all the details including locations and steps for finding the Copper, Jade and Crystal Key, here.