A couple years ago, when playing with a friend, I went to hire a needed character, while my friend coincidentally entered his instructions to upgrade his vehicle. While I was at first upset, since I figured it would mess up the game, it proved a blessing. Try this. Go to hire a character you don’t own, then take your player two remote, and enter a characters instruction page immediately after pressing the hire button. You will have access to their battle arenas, vehicles, and worlds. Unfortunately, level packs are still not included, but that’s a minor nitpick. I didn’t come out with this earlier because I felt like TT Games would patch it up. As they’ve seemed to abandon it completely, I’ve figured that I’d share it with the world now.
LEGO Dimensions Wiki