I wanted to make a update of my game so i deleted the files and wanted to put there the new files,Problem is they Said i couldn‘t do this because this game is in a jam.So the Problem is there Are no files to Play the game.I just made the same project in an other one Here is the link 

https://g-master.itch.io/undead-siegebeta Can some one Tell me how i can get my old back ?