The challenge update!

• Modification of the Nibblers bodies number bar, for a more comprehensive feature and a better look
  
• Adding a visual effect, at the bottom of the Sacrifice tree and in the Sacrifice menu, to show up the corpses consume skill is ready to use
  
• Upgrading the corpses stock is cheaper
  
• Increasing the number of cells earned by consuming the corpses
  
• Adding difficulty unlock buttons, that need corpses to be unlocked
  
• As soon as you'll unlock the first difficulty upgrade, the button for difficulty choice for level 1 and 2 will appear
  

Levels of difficulty

• Level 1 : Base difficulty, no modification
  
• Level 2 : The creatures get stronger over time, in addition to normal difficulty increase. Cells reward +10%
  
• Level 3 : More difficulty increase and new creatures and new creatures appear. Cells reward +20%
  
• Level 4 : Nibblers are, again, more powerful and the Overlords come into battle!. Cells reward + 30%
  
• Add one new creature for level 3: Slugiciola, a bulky Nibbler that spread slime that spead up creature getting on it
  
• Add one new creature for level 4: Overlord, a mighty Nibbler that walk slowly and spit mucus that increase armor and max life of others creatures