Mesa-libGL1-32bit from home:alveus:games 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:alveus:games/openSUSE_Tumbleweed/home:alveus:games.repo zypper refresh zypper install Mesa-libGL1-32bit