1. Check whether the resources of the game are complete. Right-click the game name and select Properties. There is an option to check whether the resource file is complete.
2. Enter it several times. Since this is only a beta version, many players have solved this problem several times.
3. Reinstall. Uninstall steam and games, and then try to install genuine steam in official website.
4. Restart the computer. If it still doesn't work, you can try the universal restart scheme, which may be useful.
The above is the introduction of how to do if the version of Animal Party Tips is too old. I hope it helps you.