gzdoom from home:Akaricchi project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Akaricchi/openSUSE_Tumbleweed/home:Akaricchi.repo zypper refresh zypper install gzdoom
For network chromium run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Akaricchi/network_chromium/home:Akaricchi.repo zypper refresh zypper install gzdoom