"You can unlock this level by beating the game as Tom. The story is that all of the villans from the batman series have returned and it's up to Batman to get to them (Tom and Jerry help... sortof). If you use objects it will affect how the stage plays out. One example is Tom grabing the batarang, You can hit Jerry but you can hit the Batman icon that will help Batman in someway.If you want to know more than click here https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=631983171. If you think this game will be fun then spread this hashtag (Link it to the link above) #Mouse in the House."