Play the Game for like 10-20 minutes and monitor the temperatures in the background with a programm like MSI afterburner.
If temeperatures stays below 80-85 you dont have to worry
One thing you can do is checking if your PC has decent Airflow, so 2 Fans intake and 1 exhaust or more. Make sure that the Dust filters are clean and not full with dust and that the fans are actually able to pull fresh air and are not right against a Glaspanel or something like that.
A picture or the Name of your Case could help