File Extension Library


.BNS File Extension

  • Developer by: Valve
  • Category: Game Files
  • Format: Text

What are .BNS files and how to open them?

Can't open .BNS file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .BNS file.

What is a .BNS file extension?

.BNS file extension is created by Valve. .BNS has been classified as Game Files. The format of .BNS file is Text.

.BNS is Portal Bonus Map Script

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.

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

List of all softwares that can open the Portal Bonus Map Script
Windows
Valve Portal 2
Valve Portal
Mac
Valve Portal 2
Valve Portal

How to fix problems with .BNS files

  1. You need to update the application that you normally use to open .BNS files. Only the latest version of the software supports the current .BNS file format
  2. You need to check the .BNS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)