5 months ago - Rosie - Direct link
Hello! This could be a number of issues. Hopefully one of these can help:

-Make sure you meet the minimum spec requirements, and that your PC has enough memory.

-Verify the game files on Steam.
https://help.steampowered.com/en/faqs/view/0C48-FCBD-DA71-93EB

-You can also try either disabling your antivirus program or whitelisting Prehistoric_Kingdom.exe.