chicken from devel:languages:misc project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/devel:languages:misc/openSUSE_Tumbleweed/devel:languages:misc.repo
zypper refresh
zypper install chicken

For openSUSE Factory run the following as root:

zypper addrepo https://download.opensuse.org/repositories/devel:languages:misc/openSUSE_Factory/devel:languages:misc.repo
zypper refresh
zypper install chicken

For openSUSE Leap 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/devel:languages:misc/openSUSE_Leap_15.4/devel:languages:misc.repo
zypper refresh
zypper install chicken

For SLE 15 SP1 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/devel:languages:misc/SLE_15_SP1/devel:languages:misc.repo
zypper refresh
zypper install chicken

For SLE 12 SP5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/devel:languages:misc/SLE_12_SP5/devel:languages:misc.repo
zypper refresh
zypper install chicken