Updates to Nation Red have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Updates/New Features

• Number of enhancements to make custom map making easier, including creating your own Barricade maps
  

• Big Game - In one game, kill two bosses without killing any other zombie in between
  
• Time Traveler - Accumulate 90 seconds of Bullet Time in a single game
  
• Resurgency Expert - In a coop game, play as the Medic and revive team members 15 times in a single game
  
• Explosives Expert - In a coop game, play as the Gunner and detonate 50 explosives (grenades, dynamite) in a single game
  
• Accuracy Expert - In a coop game, play as the Sniper and deliver the killing blow to 10 bosses using the M107 in a single game
  
• Shock Expert - In a coop game, play as the Scout and detonate 5 flash bangs in a single game
  

• Spark. When a zombie is on fire, transfers fire to an adjacent zombie
  

• Aftershock perk now much more powerful
  
• If a player chooses Lone Wolf in coop, this will no longer affect other players. Lone Wolf player cannot pick up Sentry Guns, Ghosts, etc.
  
• In Auto-Perk mode, you can now press the level up key (default is the space bar) to pause the game and see the current list of perks you got so far.
  
• Xp kill score is increased for a few zombies to get fair scoring in line with the zombie strength: Minigun Boss goes from 100,000 to 125,000. Zombie Bomber goes from 5,000 to 10,000 and the Baseball Bat Zombie goes from 2,500 to 5,000.
  
• Adjusted aiming at edge of map for gamepad/controller users
  
• Changed position of the in-game chat box
  
• Minigun and AK47 bosses won't fire when off-screen
  
• Mingun Boss damage reduced by 25%