For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:kolbma/openSUSE_Tumbleweed/home:kolbma.repo
zypper refresh
zypper install cowpatty
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:kolbma/16.0/home:kolbma.repo
zypper refresh
zypper install cowpatty
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:kolbma/15.6/home:kolbma.repo
zypper refresh
zypper install cowpatty