Unlock Data Core Cards
There are 38 Data Core Doctor Who cards (30 are unlocked one by one when you complete each stage of the Adventure Game, and the other 8 cards are unlocked by playing the mini games):
Sycorax and Ood - Score at least 25,000 points in Hi/Lo.
Auton and Tallulah - Score at least 25,000 points in Cyber Sequence.
Judoon Captain and Brannigan. - Score at least 25,000 points in Interrogation.
Novice Hame and Sisters of Plenitude - Score at least 25,000 points in Memory Matrix.