Patch 1.5 - 'Hard Mode' - release notes

Features: 

* Hard Mode added 
* National outfits added 
* 4 outfits as a reward for finishing the story campaign added 
* Over 50 new weapons added 
* New weapon rarity level  extremely rare Gold weapons added 

Gameplay: 

* Various balance tweaks of weapons, loot chests, shops and crafting 
* Various improvements to game quests 
* Improvements in natural movement flow 

Technical: 

* Resolved various stability issues including co-op 
* Improved overall game performance 

Visuals: 

* Various improvements in world and character art 

Be the Zombie: 

* New option to enable zombie invasions with co-op disabled added 

Linux specific improvements: 

* Added AMD Radeon support (Please note - the NPC dialogue lip-sync will be enabled in a future patch) 
* Improved performance significantly 
* Fixed glitch when changing resolution 
* Improved mouse scroll speed in map menu 
* Disabled SSAO and AA options (TBD) 
* Fixed minor rendering issues 
* Fixed screenshots capturing 
* Fixed crashed related to audio driver 