Add it to your Steam Wishlist to get an email notification the moment the price drops.
The most common way to get a legitimate free copy is through the . They have featured Salt and Sanctuary as one of their "Free Mystery Games" in the past.
If you are looking for ways to play it without a standard purchase, here is the most useful and safe guide to your options: 1. Watch for Epic Games Store Giveaways
It's important to clarify that is a commercial indie game, and there is no official "free" version provided by the developers (Ska Studios).
A mobile-first 2D souls-like with great combat.
It has been included in the catalog for various tiers.
Check the current library, as indie titles rotate in and out frequently. 3. Check for Steam Sales & Bundles