Here are tips on similar festivals in Europe, that have either blackbox or freeform larps.
If you know of other larps you are welcome to write to us via our FB-site.

Blackbox festivals

Grenselandet – Norway
Next time: October 2020
http://www.grenselandet.net

 

Freeform festivals

Fastaval – Denmark
Next time: 8th – 13th of April 2020
https://www.fastaval.dk

Stockholm scenario festival – Sweden
Next time: November 2020
https://scenariofestival.se

The Smoke – London
Next time: 1oth – 12th of January 2019
https://the-smoke.org