The rules also provide a means of negotiating their own alteration, allowing for unlimited customization for play.
Going in a circle around the table, each player has the option to spend a coin to establish a tenet, or to pass.
Players bid coins for the privilege of establishing a new scene—the high bidder wins, and sets the location and time, and introduce characters or items into the scene.
Spending coins establishes new facts in the game, which can be drawn on by the other players, and used in resolving complications.
[4] In his 2023 book Monsters, Aliens, and Holes in the Ground, RPG historian Stu Horvath noted, "Universalis is a game that wants to flow past mechanical hiccups as quickly as possible and it is often preferable to handwave a solution that appeases all parties rather than looking up something in the book.
It is a simple system that emphasizes creative collaboration and is versatile enough to handle literally any kind of story players can dream up.