Variants of the Union Sentry Droid included GK-5 Sentries, the USD Class Pulverizer, the Doom Bringer, , and the GK Oppressor.
The Union Sentry Droid appeared in the 2003 video game Star Wars Galaxies: An Empire Divided, a massively multiplayer online role-playing game developed by Sony Online Entertainment and published by LucasArts, prior to its closure on December 15, 2011. The Union Sentry Droid was added to the game with the release of the expansion pack Trials of Obi-Wan on November 1, 2005.