The standard price for the full game is . While there is no legitimate "free download" for the current version, you may find discounts through authorized third-party sellers:
: Lists various digital offers, with some Steam keys starting as low as $7.96 depending on regional availability and current sales. Xenonauts 2 Free Download (Beta 22.5)
: Another official retailer providing the full campaign experience. Pricing and Availability The standard price for the full game is
: The primary platform for the game, featuring the latest v1.0 (v7.18.3) update. GOG.com : Offers a DRM-free version of the game. Xenonauts 2 Free Download (Beta 22.5)