 The rubble of the ruined space station eventually crash-lands onto Earth, destroying the underground prison, and finally freeing Uka Uka.Upset with Cortex's failure to retrieve the Crystals and the Gems, Uka Uka recruits Doctor Nefarious Tropy, who has created the Time Twister, which will allow them to collect the Crystals and the Gems in their original places.And, since Cortex's failure also managed to set him free after so many years of imprisonment, Uka Uka still felt a sense of gratitude and generosity.