Should I keep playing games if my phones getting hot?

[XypniX]

I have the new iPhone 7 plus and I bought bully the game and a few minutes in it gets hot but not so hot it burning it gets a bit warm but notiseable heat. However once it's warm hot it don't get any hotter but does it kinda stress the phone if I constantly play it ?

 

[Norest]

I always play and my phone is always hot, I don't pay attention to it

 

[Saunuolis77]

I stop playing on my phone when it's get hot.