If you are interested in the game's history or why it was so hard to find for several years, I can walk you through the "Easter egg" controversy that led to its initial removal from Steam.
If you are looking for a "free full version" download of , it is important to be cautious. Devotion is a commercial title developed by Red Candle Games , and any site offering it as a "free download" is likely hosting pirated content or malware. devotion-free-download-pc-game-full-version
Here is the current situation regarding the game's availability: If you are interested in the game's history