So you have beaten the game. Don't go yet! There is much more fun to be had! The "Dead Zone" DLC for Tunguska: The Visitation offers two additional challenge modes: "Nightmare" and "Dead Zone", each with new challenges and many, many new weapons to keep you busy!

You can either start the new modes from scratch , or complete a playthrough and jump into the next difficulty with your earned skills, stats, and gears.

With Nightmare Mode, you will get:

• 8 new weapons (with some in Ravenwood)
  
• A new heavy armor
  
• 3 new weapon attachments
  
• 3 new types of "Elite Mutants" that will be your worst Nightmare
  
• Tougher and fiercer NPC enemies
  
• Ability to retain learned skills and some gears from the previous playthrough
  
• Ability to retain player stats from the previous playthrough
  
• New fast-travel mechanism to save player time
  

With Dead Zone Mode, all that you have learned in the Zone will be put to the test. You will get:

• 10 new weapons (with some in Ravenwood)
  
• A new magical item (in Ravenwood)
  
• 3 new weapon attachments
  
• More challenging survival rules
  
• Ridiculously challenging enemies
  
• Ability to retain learned skills and some gears from previous playthrough
  
• Ability to retain player stats from previous playthrough
  
• Endlessly replay Dead Zone mode after completion and retain skills/stats
  

Essentially, "Fun with Guns" is the motto for this DLC. It is a must-have for anyone who loves Tunguska and looks to replay the game after completion.