New contents

• Contract system. In market menu, you can now sign a contract from many companies.
  • Under contract, the item you collect (if fall under contract) will be transfer to contract automatically.
  • Failed contract result in reputation penalty.
  • Higher reputation brings larger contract and higher margin.
  • Increase the amount of contracts you can sign in research lab.

Balance changes

• Auction same item now decrease its auction value.
  
• Adjust ground hardness.
  
• First scrap set drill part is now free.
• Research on alloy recipe in workshop now also unlock forge recipe.
• Research price adjustment.

Bugs fix

• Fix crash when hard reset.
• Fix movement jitter when drill become very fast.
• Fix Bomber tank kamikaze doesn't activate.
• Fix museum bonus bug that cause gem to sell 50 times more instead of 50%.
• [Window] Fix window moving when start game.

Misc.

• Ability to move drill part in mechanics.
• Sell all option in market.
• New backdrop when you go very deep.
  
• Improved mechanic UI.
• Mini-map in title menu.
• New researches for vacuum cleaner and pocket rocket 
• Added headlight to explorer cabin.
• Added draggable scroll bar for most ui elements.
• Added ability to enable, disable employee per recipe.