This DLC does not add any new content to the game itself.

If you want to support me, you can buy this DLC. As a 'thank you', you will receive bonus content:

4K content:

• Behind the cutscenes
  
• Video of early builds of the game
  
• Behind the scenes of the game levels
  
• Screenshots from old builds and new ones

Content contains spoilers!

Right-click on the game in your library to access the files: