steamtinkerlaunch
Wrapper script for Steam custom launch options
Steam Tinker Launch is a versatile Linux wrapper tool for use with the Steam client which allows for easy graphical configuration of game tools, such as GameScope, MangoHud, modding tools and a bunch more. It supports both games using Proton and native Linux games, and works on both X11 and Wayland.
There is no official package available for openSUSE Leap 16.0Distributions
openSUSE Tumbleweed
openSUSE Slowroll