* ContestWinnerCameo: ''Gigamix'' features dozens if not hundreds of robots taken from fan submissions around the world. These robots were all slaughtered by Terra in a show of force.
* DevelopmentHell: The ''Gigamix'' stories were in the works since ''at least'' the last ''Megamix'' chapter was originally released, but they couldn't be published until ''years'' later.
* NoExportForYou: Thankfully, and finally averted with Udon's release of the manga in the US.