Robots, primarily manufactured by Holofax Corp., are mechanical automata used by humanity to perform a variety of specialized tasks.

Robots have a wide range of general and emotional intelligence, based on the tasks they were designed for. Most robots employed by the Interplanetary Exploration Foundation belong to the current RB series that were specially designed for deep space exploration by Holofax.

The player character, Otto, denoted as RB-0110, is a Liaison robotic assistant tasked with keeping a ship's human inhabitants alive and safe during deep space travel as well as commanding and maintaining the ship's various other systems to ensure a successful flight.

Other popular models and their Solarian units include:

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