RISING laptop CPU GPU temperature

It is normal for 5hrs play on a laptop.
It can probably reach those temps for less time and will be fine, as long as it doesn't get hotter.
This CPU temp limit is 100 C, couldn't find about video tho.
Still i think that those temps are pretty normal, laptops tend to get way more hotter than desktops.
If you are afraid of overheating, you can get a laptop cooling pad, those that lift the laptop a little, so all the holes can take air.
Like some of those http/laptop-coolers-review.toptenreviews.com/ .
I don't think you have problems with heatsink.

P.S. If you think that this is unusual for your laptop, you may need to clean it, visit a store for cleaning if you haven't done it before.
Do you smoke around it ? Do you use it in your bed ? Do you eat around it ?
If yes, it may need a cleaning.
Also if your fans are loud, like way louder than before, there may be a need to change paste and/or fan could be failing.
But it is better to visit a store for this, so they could check heat sinks too.
Some of the laptop heat sinks have thin foil like leafs that can break, which lowers the heat dissipation.
Try lifting your laptop like diagonally, usually i use a book for this, to lift it on one side, so it can take more fresh air.
If you see difference in temps, cooling pad would be the best solution.