While there is no "free" version, you can download the game through these official storefronts:
is a premium survival game and is not available for free as a full legal download. The game currently retails for approximately $24.99 on major digital platforms. Official Purchase and Download Options Retreat To Enen Free Download
: Frequently offers bundle deals, such as the "Builder Relaxing Bundle" or "indie.io Chill Bundle". While there is no "free" version, you can
: Available as a digital download for PS5 and PS4. While there is no "free" version
While the full game requires a purchase, there have been ways to test it without cost: Indietail – Retreat to Enen
: Offers the standard edition for Xbox Series X|S. Epic Games Store : Provides the standard Windows version.