.WORLD File Extension
File Type 1WorldPainter File
What is a WORLD file?
File created by WorldPainter, a program used for building worlds for the game Minecraft; can include terrain as well as brushed colors that change the look of the landscape; may be exported to a Minecraft world (level.dat and .MCA regions) for importing into the game.
File Type 2The Sims 3 Create a World Tool File
.WORLD File Association 2
Game file created by The Sims 3 Create a World (CAW) Tool, a program that allows players to create custom 3D worlds for The Sims 3; stores terrain, roads, sidewalks, path routing information, lots, buildings, artificial Sims, and various kinds of objects; used as the save format for the CAW Tool.
When you are complete with editing a world, you can export it into your local The Sims 3 game by choosing. You may also share your worlds through The Sims 3 Exchange online.
File Type 3Terraria Mobile World File
.WORLD File Association 3
Game file created and used by the mobile version of Terraria, a 2D action adventure and sandbox construction game; contains a world that the player interacts with during gameplay; includes terrain, water, items, monsters, and other objects.
The WORLD file may be a pre-installed game map or a custom map created by the user. It is used for single or multiplayer gameplay.
NOTE: The Windows version of Terraria uses the .WLD extension to save world data.
[world name].world - The file is named after the name of the world.
File Type 4Starbound World File
.WORLD File Association 4
A WORLD file contains information about a world in Starbound, a 2D space exploration game. It stores world information, such as the planetary location, universe coordinates, and any changes your character in Starbound has made to the world.
WORLD files contain all the modifications a Starbound character has made to the world. The more changes the character has made, the more information is stored and the larger the file size.
WORLD files can be found in the "universe" folder in the "Starbound" folder. For example, if you purchased Starbound through Steam, the WORLD files are stored in the following location in Windows: