The Summer Sideshow is a seasonal event in Killing Floor and Killing Floor 2 that introduces new content and new ways to play during the course of its event.
The centerpiece is usually a new circus or steampunk-themed map, complete with a circus freak makeover for the Zeds.
In Killing Floor 2 there are also event Tickets and cosmetic Gear to unlock.
Killing Floor 2
- Summer Sideshow 2017: June 13th, 2017 - July 11th, 2017
- Treacherous Skies: June 12th, 2018 - TBA
Killing Floor 2 - Summer Sideshow Treacherous Skies trailer