1. A promotional feature for a legitimate giveaway of Steam keys for Garry’s Mod (terms, entry rules, verification).
2. A feature about improving Garry’s Mod visual quality (mods, settings, graphics packs) and how to install/optimize them legally.
3. A feature proposing a free-to-play community server with enhanced visuals and extra content (server rules, mods allowed, moderation).
4. A tutorial for creating a bundle or sale alert system to notify users of legit free or discounted Steam offers.

Before you try to log into a publicly shared account, you need to be aware of the dangers:

Is saving $5 worth losing your entire digital library?

Steam Sales: GMod frequently goes on sale for $5.00 or less during Steam seasonal sales.