My razer blade 2017 15in keeps overheating

I need help my 2017 razer blade 15in advanced model keeps over heating. I was just playing slime rancher today on max setting and for some reason that made my computer go over the edge and my cpu temp was 90C to 95C which is just insane and I checked it with coretemp. So I am wondering do I need to replace my thermal paste or is there some other reason. also its not at 90C all the time only when gaming I also probs need to clean the dust/fuzz out of my fans so that could also be another reason

also here is my serial number: BY1837A45001852

and I have a: intel i7-8750H

and my gpu is a: 1070 with max-Q design

I also have a intel UHD 630 but I don't use that for gaming