Demo 0.7.13 Update

Demo 0.7.13 Update Notes:

• Increased Cat B focus shot damage across all levels.
  
• Reduced amount needed to power up to level 2 for all helicopters.
  
• Increased power orb detection area allowing orbs that appear at the screen edge to be collectible.
  
• Mission bosses will only get a final hit stop and large flash when destroyed by the player, distinguishing it from a timeout clear.