Update: Fixes and tweaks

Yesterday we made a quick update, main reason was that it was possible to get stuck on some areas. It's frustrating to get stuck ːsteamfacepalmː This should hopefully fix it!

Changelog:

• Fixed a bug where player can get stuck in the bottom of the large hole
  
• Add air vents around the level
  
• Spawn exit signs after a while to help navigate if lost
  
• Unusable ladders get visually broken now
  
• Ducks in labyrinth floating, previously stationary
  
• Added "back" button to in-game settings menu
  
• Added colliders to prevent player from going out of bounds