Often confused with the former, this is a hyper-realistic psychological horror game by SolitaryStudios. A free demo is available on Itch.io and Softonic .
There are two primary games with similar titles that offer free or paid downloads:
If you are looking for written works, free and legal digital copies are available through digital libraries: Those Left Behind on Steam
This famous DLC is typically a paid standalone title or part of the main game's "Remastered" or "Part I" editions. Literature and Comics
The availability of a "free download" for each depends on the specific title and the platform. Video Games