If you bought Planet Zoo on Steam, this is the easiest path.
Proton creates a fake Windows directory. Find your Planet Zoo folder here: ~/.steam/steam/steamapps/compatdata/703080/pfx/drive_c/users/steamuser/Documents/Frontier Developments/Planet Zoo/ planet zoo linux
The first launch will take 3-5 minutes as Proton builds the prefix and shaders. Do not force quit. Once the launcher appears, click "Play." If you bought Planet Zoo on Steam, this is the easiest path
Planet Zoo is a testament to how far Linux gaming has come. Two years ago, the Denuvo anti-tamper software broke the game on Proton. Today? You can breed pandas and manage gift shop finances entirely on Fedora. planet zoo linux