Please be aware that the following packages are from unofficial repositories. That means they are not reviewed by openSUSE and may contain unstable or experimental software.
Installer for Valve's digital software distribution service
Steam is a software distribution service with an online store, automated installation, automatic updates, achievements, SteamCloud synchronized savegame and screenshot functionality, and many social features. This package will fetch and install the Steam bootstrap. Start Steam to complete the installation of the client for the current user.