: Ensure the game remains playable even if physical discs rot or digital storefronts delist the title.
: This indicates that the software has had its geographical encoding removed or was never restricted. In the era of the Xbox 360 and PS3, games were often locked to specific regions (NTSC-U for North America, PAL for Europe). A "Region Free" version can be played on hardware from any country. Singularity [Region Free][ISO]
In the modern day, seeing "Singularity [Region Free][ISO]" is most common in and emulation circles. Because the game is no longer a "front-line" title, enthusiasts use ISO files to: : Ensure the game remains playable even if
: ISO files are easier for community developers to "rip" and modify, leading to fan-made patches that can improve textures or unlock frame rates. A "Region Free" version can be played on