An .iso file is a disc image that contains all the data of a software application or game.
: If you are encountering a "DOWNLOAD FILE" prompt for an .iso file from a third-party or unofficial site, use extreme caution. Unverified .iso files are frequently used to distribute malware or unwanted software. It is always safest to download from the Official Steam Page. OVE: The Sword of Liberation | GamePlay PC DOWNLOAD FILE – OVE : The Sword of Liberation.iso
: While officially labeled as an action-adventure, some gameplay reviews describe it as having "souls-like" elements. Digital Format and ISO Files DOWNLOAD FILE – OVE : The Sword of Liberation.iso