The Traceless Massacre is the second mission in Yuriko's campaign in Red Alert 3: Uprising. It details Yuriko's escape from the Dakota detention camp.
During the Allied assault on Tokyo, Yuriko was found unconscious underneath the ruins of the Imperial Palace. She was taken into custody and transferred to a top-security Allied detention facility on Guam Island, she was cryogenically frozen, waiting to be studied by Allied scientists.
|“|| She's just a girl! What is this?!|
- Allied soldier witnessing Yuriko's terrifying powers
After Izumi telepathically awakens her sister from her cryo-sleep, Yuriko wreaked havoc on the detention center, rescuing Soviet prisoners who fought the Allies in their last stand at Leningrad, as well as Imperial POWs. Yuriko also discovers that FutureTech was given free rein as part of Allied efforts to maintain world security. Yuriko soon combated against two carrier groups of the Allied navy and sank them to the bottom of the waters before heading back to Japan to confront Dr. Shimada.
|“|| I'm finished here. It's time I return to the Empire of the Rising Sun. I got score to settle.|
- Yuriko escaping the detention facility on her way back to defeat Shinji Shimada.