What is a .RR file?
An RR file is a special type of computer file that is used with a game called 3D Ultra Lionel Traintown Deluxe. This game lets players design and play with virtual train sets on their computer. The ".RR" at the end of the file name tells the computer that this file is for a custom train track layout that someone has created in the game.
Inside an RR file, there are details about the custom train track layout that a player has made. This includes where the tracks are placed, which trains are running on those tracks, and any other special items or decorations the player has added to make their train world unique. It's like a blueprint that tells the game exactly how to set up the train world according to the player's design.
To create or change these RR files, players use a part of the game called the Layout Tinkerer. This is a tool within 3D Ultra Lionel Traintown Deluxe that gives players the ability to drag and drop tracks, trains, and decorations to design their own custom train layouts. Once they're happy with their creation, the game saves their design as an RR file.
If you want to open an RR file, you need to have 3D Ultra Lionel Traintown Deluxe installed on your computer. This game is the only program that understands how to read and use the information in an RR file. When you open an RR file with the game, it loads your custom train track layout so you can play with it, edit it, or show it off to friends.
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