Many genius scientists live in Iron Castle where the most developed science and technology centers are located. The robots invented here are specifically designed for the Collection class. Afterwards this technology was widely accepted by other factions due to its practical value.

Robots can be equipped with weapons and collection tools, and are also a good transportation tool.

These two robots are for those who are new to this game. Simple construction and functionality make these two easy for players to control.
Red Cat Drive Robot	Pink Dog Drive Robot

These two robots are for those who are more adept at controlling robots. Although the controls are a little bit more complicated, these two will definitely help you with your collection and fights.
Black Cat Battle Robot	Purple Dog Battle Robot

These two are exceptional among all the available robots. These two robots are specifically designed for mysterious people, and no one knows what special functions they are sure to possess...
Penguin Robot	Youmans Robot