In Zoids: New Century we see Ultrasaurus'
- An active one that is used by the Zoid Battle Commission as their headquarters
- A ruined one that served as the finish line for the Royal Cup
in Zoids: Chaotic Century the Helic Republic had one Ultrasaurus which they unearthed and took a decade to restore.
Assuming one of the 2 in New Century was originally the Republic's, which one is it and where did the second one come from