File: Nidhogg.2.v23.11.2017.zip ... -

Ensure the file Nidhogg.2.v23.11.2017.zip is fully downloaded.

The November 2017 update included several stability fixes over the initial August launch: Support for 1v1 duels. File: Nidhogg.2.v23.11.2017.zip ...

Since this file is a .zip archive, you will need an extraction tool like or WinRAR . Ensure the file Nidhogg