(video games) That can be modded (modified by the end user).
2006, Erik Guilfoyle, Half-Life 2 Mods for DummiesThis utility can easily open the compressed game files that were installed with the game so that you can gain access to all the moddable game files...
2007, PC Hardware magazineTo make things even more confusing, Garry's Mod is a "moddable" mod, meaning that users create modifications that plug into Garry's Mod itself.
2009, Paul McFedries, Tweak It and Freak It: A Killer Guide to Making Windows Run Your WayStrip off that veneer and a whole world comes into view, one that's eminently hackable, moddable, tweakable, customizable, and personalizable.