Outpost X12 was an outpost on the arid world of planet Aridia.
Up Your Arsenal
No long after Nefarious transformed Tyhrranoids into Robonoids using his superweapon, the Biobliterator, the Noids began a new military campaign. Tyhrranoid eventually set their sights for planet Aridia, attempting to take Outpost X12 which was vital for the Galactic Rangers. The Rangers did their best to hold off the Noids, but they soon became overwhelmed. In a desperate attempt, the called Ratchet and Clank, attempting to lure them to Outpost X12 by insisting one of Rangers, H22, was having a birthday party. Ratchet was not fooled, but he insisted he'd be there to insist the Rangers.
- Ratchet & Clank: Up Your Arsenal (first appearance)