Home : File Types : BNS File

.BNS File Extension

File TypePortal Bonus Map Script

4.3 (3 Votes)
CategoryGame Files

What is a BNS file?

Game file used by Portal, a first-person puzzle solving game; stores a plain text script that defines information about a Portal map (.BSP file); includes the map name, thumbnail image file references, comments about the map, and a list of challenges to complete.

More Information

BNS files are included as part of a .BMZ bonus map zip file, which can be installed to add bonus maps to Portal.

Open over 300 file formats with File Viewer Plus.
Programs that open BNS files
Updated 5/17/2012

About BNS Files

Our goal is to help you understand what a file with a *.bns suffix is and how to open it.

The Portal Bonus Map Script file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

If you would like to suggest any additions or updates to this page, please let us know.