Download size

How many GB is 0th floor.: The Cursed Elevator To Floor Zero?

4 GB

Leave at least 10 GB free: games need headroom to unpack updates.

The figure is the storage Steam lists as required for this game, not a measured download.

You've been trapped in an elevator that always goes to the 0th floor. Don't overlook any anomalies, and try to move to the designated floors.