While not strictly free, you can often find "full version" links for just a few dollars through reputable bundle sites: Unsolved: Hidden Mystery Games - Microsoft Store

If you already pay for certain gaming services, you may have access to these games "for free" as part of your membership:

Almost every Artifex Mundi game on the offers a "Try for Free" version.

You can play through entire game stories using an in-game energy system or by watching ads, effectively giving you the full version for free over time. 2. Official Free Trials and Demos

If you enjoy the trial, you can often unlock the full adventure via a one-time in-app purchase. 3. Subscription Services & Game Passes

These usually allow you to play the first hour or the first major chapter of the story.

The most effective way to play full Artifex Mundi games for free on PC is through the app on the Microsoft Store.

Artifex Mundi’s own AM Club provides one game credit per month and deep discounts for members. 4. Heavy Discounts and Bundles