Editing List of file formats (section)

=== [[Unreal Engine]] ===
Formats used by games based on the [[Unreal (1998 video game)|Unreal]] engine.
* FUK – Map File for ''[[Postal 2]]''
* U – Unreal script format
* UASSET – An asset format since Unreal Engine 4/5.
* UAX – Animations format for Unreal Engine 2.
* UMAP – Map file type for Unreal Engine and levels.
* UMX – Map format for ''[[Unreal Tournament]]''
* UMX – Music format for Unreal Engine 1
* UNR – Map format for ''[[Unreal (1998 video game)|Unreal]]''
* UPK – Package format for cooked content in Unreal Engine 3
* USX – Sound format for Unreal Engine 1 and Unreal Engine 2
* UT2 – Map format for ''[[Unreal Tournament 2003]]'' and ''[[Unreal Tournament 2004]]''
* UT3 – Map format for ''[[Unreal Tournament 3]]''
* UTX – Texture format for Unreal Engine 1 and Unreal Engine 2
* UXX – Cache format; these are files a client downloaded from server (which can be converted to regular formats)