For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pascom/15.5/home:pascom.repo
zypper refresh
zypper install x11-video-nvidiaG02
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pascom/15.4/home:pascom.repo
zypper refresh
zypper install x11-video-nvidiaG02
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pascom/15.3/home:pascom.repo
zypper refresh
zypper install x11-video-nvidiaG02