This is the specifications for the image file which is handled by the Game Extractor plugin Viewer_UE4_Texture2D_4.

Endian Order:	Little Endian
Compression:	none
Encryption:	None

This format is used by the following Games:

2000 to 1: A Space Felony	*.texture2d
A Flame In The Flood	*.texture2d
ABZU	*.texture2d
Hello Neighbor	*.texture2d

These are the accompanying notes and further information:

Refer to the Game Extractor plugin source code for specifications on this format

Game Extractor is able to read files of this type, as well as files from thousands of other games. To give it a try, download Game Extractor (Basic Version) for free, and see what it can do.

For further information on this format, refer to the source code on our GitHub repository.