The Red Dwarf investigates an ocean ship, The Esperanto, where they find the ship's crew have all committed suicide, and are attacked by a sea monster called The Despair Squid. Later they wake up to find they are not who they thought they were and have been playing an artificial reality computer game for four years. Written by
Did You Know?
Jake's "true" personality was never actually seen. While in the hallucination the Dwarfers noted that they still retained their Red Dwarf personalities and memories. So Jake acted like Kryten would act if Kryten were put into his shoe. He acted with more authority than usual, probably taking the opportunity to free himself from Kryten's more servile existence in reality. See more
We could all put our heads together and the bullet could go down the line!
References Star Trek: The Naked Time