Add a square numbered ‘4A’ and named ‘Gaol’, listed between 4 and 5 on the [[World]].  Add a sub rule to the rule World named ‘Debtor’s Prison’, with the text

Square 4A has the following special properties:
* A player may not advance to square 4A.  A player advancing from square 3 moves to 4, and from 4 to 5.
* A player advancing from square 4 moves to square 5.  A player advancing from square 4A advances to square 5, but may not do so if eir B$ is less than zero.
* A player may not be compelled to move out of Gaol, and may not Jump from Gaol under any circumstances.
* If a player has negative money for more than 4 days, then any other player may move them to Gaol and delete all Items in eir Item list.
* A player who has had negative money in Gaol for 3 or more days may set eir money to zero, and Advance to square 5.

Add the following sentence to “Homelands”: “A player loyal to Gaol may be known as a Criminal”