Prior to its migration to Atomic-robo.com, online one-offs of Atomic Robo were released via creator Brian Clevinger's site Nuklear Power. Some of these one-offs were re-released as B-Sides at the Atomic Robo site.
- "The Yonkers Devil" (collected in the TPB of Volume 3 - Atomic Robo and the Shadow From Beyond Time)
- "MXII" (yet to be collected)
- "The Getaway" (yet to be collected)
- "Rescue Mission" (yet to be collected)
- "The Lizard Man" (yet to be collected)