Allgon moon[1] is a moon located in Damosel orbit which appears as a minor location in Going Commando, visited in "Defeat the mothership". Similar to Lunar City, it is an ecumenopolis moon orbiting Damosel, and a Giant Clank location.
Ratchet and Clank came across an Ultra-Mech Pad while in Allgon City, and used to travel to the moon to defeat the mothership, which was releasing robots to attack the city.[2] The two destroyed the Mothership and obtained the Mapper.
The moon's surface
The Damosel orbiting moon is very similar in appearance to Lunar City, though it appears to have no atmosphere. It is covered in skyscrapers of varying sizes, lit up by neon lights, and also has large skybridges. The moon has no vegetation, and only street lamps can be seen around the moon's streets. One pole of the moon is a large empty circle, with a small rock art piece in the center, whereas the opposite end is entirely empty, but for a series of sky bridges spanning the circle's circumference.