Take this from someone who owns Stranded Deep; it's too early to enjoy much of anything. There's not much to do as of right now, so I'd wait and save up a little more, for more updates. If you must have a 'gaming laptop' for Stranded Deep, this will do:
https://www.amazon.com/ASUS-X550ZA-15-6-Inch-Laptop/dp/B00YR6BMOQ
I'd suggest that you build a PC, though, laptop parts are much weaker than PC parts.