Small bug fix

Thanks to the community feedback received, our first round of bug fixing has gone into the game.

• Prevent player falling through the ground near the graveyard.
  
• Recover existing save files for players that have experienced this issues.
  
• Preventive work to stop this occurring in other places.
  

Looking forward, we will focus on improving the documentation and explanations in the puzzles and any other reported bugs.

Thanks for the community feedback, please keep providing your feedback as this helps us improve!