Killing Floor 2's enemies are literally floating away
Pump 'em full of hot... air?
Keep up to date with the most important stories and the best deals, as picked by the PC Gamer team.
You are now subscribed
Your newsletter sign-up was successful
Want to add more newsletters?
Every Friday
GamesRadar+
Your weekly update on everything you could ever want to know about the games you already love, games we know you're going to love in the near future, and tales from the communities that surround them.
Every Thursday
GTA 6 O'clock
Our special GTA 6 newsletter, with breaking news, insider info, and rumor analysis from the award-winning GTA 6 O'clock experts.
Every Friday
Knowledge
From the creators of Edge: A weekly videogame industry newsletter with analysis from expert writers, guidance from professionals, and insight into what's on the horizon.
Every Thursday
The Setup
Hardware nerds unite, sign up to our free tech newsletter for a weekly digest of the hottest new tech, the latest gadgets on the test bench, and much more.
Every Wednesday
Switch 2 Spotlight
Sign up to our new Switch 2 newsletter, where we bring you the latest talking points on Nintendo's new console each week, bring you up to date on the news, and recommend what games to play.
Every Saturday
The Watchlist
Subscribe for a weekly digest of the movie and TV news that matters, direct to your inbox. From first-look trailers, interviews, reviews and explainers, we've got you covered.
Once a month
SFX
Get sneak previews, exclusive competitions and details of special events each month!
One of the things I like most about Killing Floor 2 is the way it mixes absurdity with graphic violence. This week's Weekly Outbreak—essentially a temporary mutator—goes all-in on gore and humor.
Earlier in the summer KF2 added a shrinking zeds, and now we continue to see Tripwire play with physics in "Up, Up and Decay," where shooting and slashing zeds will cause them to fill with air.
"As Zeds receive damage they inflate," Tripwire tells me via email. "After some time they start to deflate. Once they reach max inflate they turn into death balloons and rain down gibs. The idea is if you don't finish them off they go back to normal size and heal!"
Complete this challenge, and you'll earn the Hans Plushy Backpack item shown in the trailer above. This is one of several time-limited challenges running until August, as Tripwire creative director Bill Munk announced at the PC Gaming Show at E3. Here's the rest of the schedule:
July 18 - Up, Up and Decay - Try to make ninety-nine Zed balloons.
Shooting Zeds in this outbreak will cause them to inflate like balloons, even to the point of floating away and popping!
July 25 - Zed Time - All the Zed Time in the world.
Keep up to date with the most important stories and the best deals, as picked by the PC Gamer team.
Ever think that life is passing you by? Not in this outbreak! You'll be in Zed Time any time you're near a Zed.
August 1 – Beefcake - Bigger they are, harder you fall.
In this outbreak, Zeds increase their health, size, and reach when they hit players or are affected by certain Zed abilities.
August 8 – Boom - Zeds under pressure; may explode.
Maybe it was something they ate? Bad gas? Whatever it was, Zeds explode when killed in this outbreak.

Evan's a hardcore FPS enthusiast who joined PC Gamer way back in 2008. After an era spent publishing reviews, news, and cover features, he now oversees editorial operations for PC Gamer worldwide, including setting policy, training, and editing stories written by the wider team. His most-played FPSes are Hunt: Showdown, Team Fortress 2, Team Fortress Classic, Rainbow Six Siege, and Counter-Strike. His first multiplayer FPS was Quake 2, played on serial LAN in his uncle's basement, the ideal conditions for instilling a lifelong fondness for fragging.

