AdwSteamGtk from games:tools 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/games:tools/openSUSE_Tumbleweed/games:tools.repo zypper refresh zypper install AdwSteamGtk
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/games:tools/openSUSE_Slowroll/games:tools.repo zypper refresh zypper install AdwSteamGtk