The NCL games are hosted and run in a cloud-based platform

(AKA the NCL Stadium)

-- powered by Cyber Skyline --



NCL Stadium Client Requirements


  • Resolution: 1366 x 768

  • Browser: Web Socket compatible desktop browsers (not mobile compatible)

  • Edge

  • Chrome 54+

  • Firefox 40+

  • Safari 9+


  • Resolution: 1920 x 1080

  • Browser: Latest version of a major desktop web browser. For the best results, use Chrome.

  • Chrome 56+

  • Firefox 51+

  • Safari 10


The Cyber Skyline platform operates exclusively on port 443 using the standard https protocol. All requests made to port 80 using http will automatically be redirected to port 443 over https. You may also need to open ports 6000-6100.



Hostnames: & *




The NCL makes every effort to provide high-quality game performance, system integrity, and accurate documentation. Nevertheless, participants may encounter various difficulties while competing in the games.


These may include:

  • Access Problems – unable to access the Stadium, or slow response

  • Technical Difficulties within the Stadium

  • Difficulty in executing the game challenges, or understanding the documentation

For technical difficulties with the Stadium, send an email to the following:




BU Cyber League Team Moves Up in Ranks

December 5, 2019

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5910 Connecticut Ave., #15522 Chevy Chase, MD 20825

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© 2019 National Cyber League