The Dark Army: Uprising, often abbreviated TDA, is the first half of a two-part divided single-player standalone modification of Return to Castle Wolfenstein, developed and published by 85 Prøductions, released on December 3, 2016 on Microsoft Windows via Mod DB. It will be followed by a second part subtitled Downfall. Since December 11, 2016, it is considered as one of the 100 best mods of 2016, as elected during the Mod DB 2016 Mod of the Year Awards sponsored by Sega.