Tobibrocki has rigged and released two different Krystal character replacement mods for Unreal Tournament 2004. These are different from the older mod for that game, which I believe used the Garry's Mod version of Krystal. These two mods feature Krystal's look from both Adventures and Assault. Tobibrocki used Gadonstriom's Adventures model and Nanogrrr's Brawl model to build these mods, respectively. Tobibrocki is also working on an experimental Krystal mod for Unreal Tournament 1999.