: Historically, many consoles were "region-locked," meaning hardware from one territory (e.g., North America/NTSC) could not play software from another (e.g., Europe/PAL). A region-free status indicates that the software has had these digital rights management (DRM) restrictions removed, allowing it to function on any compatible console worldwide.
When a title is listed as , it refers to specific technical properties essential for compatibility and digital archiving. Assassins Creed 3 [Region Free][ISO]
Set primarily between , the game covers the onset and climax of the American Revolution . many consoles were "region-locked