Create: Snow & Steel

Create: Snow & Steel is a hardcore challenge pack set in an unforgiving snowstorm with nearly invincible undead, and if the monsters don't get you the cold will. Survive through the struggles imposed by mods such as Tough as Nails, Nutritional Balance, and Consecration, use the Create mod and it's various addons (such as Create: The Factory Must Grow, Create: Alloyed Guns, and Create: Enchantment Industry) to tame the blizzard-choked world around you and thrive!

Note: This modpack can be hard on low-end computers, Create: Snow & Steel is built to be played with friends via. the Essentials mod

 Create: Snow and Steel uses a variety of mods to increase it's difficulty, including Nutritional Balance, which requires you to maintain a balanced diet or risk malnourishment, Tough As Nails, which adds temperature and thirst requirements, Consecration, which makes the undead resistant to all damage unless they are set on fire or hit with smite, and Majruz's Progressive Difficulty, which adds bleeding and a number of other features that will be added to your game as you progress. Survival is a challenge, but it's all the more rewarding when you make it into the late game, dining on dragon legs safe from the chill in your fully-automated fortress.  

Learn the various mods in Create: Snow & Steel with it's built-in quest system, which instructs you on everything- from the basics of survival to the construction of Drills and Oil Wells. Challenges section to come in future updates.