Ok…
Is this Lenovo model use only dedicated Nvidia GPU without Optimus and all that crap, rght?
First of all, since Nvidia for now doesn’t officially support Kernel 5.9, please try LTS Kernel and see maybe this is a problem (not likely, but still worth a shot)
Then also see if there are no errors in journal:
journalctl -p3 -xb
And then also let’s see the logs:
Launch game and it will be saved at your home, perhaps something useful will come out…