Only stable builds are avaliable for this distribution.

One Click Install

Tumbleweed Leap 15.4

Or… using the Terminal

sudo zypper addrepo
sudo zypper refresh
sudo zypper install polychromatic

For binary packages and instructions, visit the openSUSE Build Service.

Next up, OpenRazer

Polychromatic is just a frontend. If you haven't already, you'll need to install this driver and daemon: