Sorted from highest to lowest priority.

1. Allow rotation of basement hatches.
   
2. Allow building basements anywhere.

There are 3 types of basement as of right now:

• 64 "Small" 5x5 basements.
  
• 64 "Medium" 10x10 basements.
  
• 24 "Large" 15x15 basements.

All basements have an electric panel in them that provides electricity inside.
The electric panel draws power from the city grid while it's still on.
Once electricity is out, you will need to insert car batteries to the electric panel in order to power each basement.

The list belows includes the necessary resources to build a basement.

• Read the equivalent "In the basement" magazine.
  
• A hammer and a shovel.
  
• 1 doorknob
  
• 2 door hinge
  
• "Small" - 20 planks, 30 nails, carpentry 3.
  
• "Medium" - 40 planks, 60 nails, carpentry 6.
  
• "Large" - 60 planks, 90 nails, carpentry 9.

This mod adds custom cells far away from the vanilla borders and any other mods that add extra areas to the game.