Doctor Who : Dalek Attack

Type this during the game :
JAMES BOND AND OLIVER REED WERE NEVER GOOD SINGERS
to become invulnerable to bullets.

Codes to change your location:
Day Of Reckoning : London to Paris
The Slyther : Paris to New-York
Tricolour Coffee Shop : New-York to Tokyo
D5 Gamma Z Alpha : Tokyo to Skaro (Information from Cheat Machine)