4. What does George reveal occurred three days earlier?
(a) The largest coronal mass ejection ever recorded.
(b) A planetary alignment.
(c) A lunar anomaly.
(d) A sea quake.

5. What gets David?
(a) He hits the wall.
(b) Falling rock.
(c) The giant squid.
(d) A pillar.

6. What is unique about this trip Jack takes in the Nautilus?
(a) It is in uncharted waters.
(b) It is the longest yet.
(c) It is without Fathom's help.
(d) It is for a rescue mission.

7. What gives Karen, Mwahu and Miyuki's position away?
(a) Karen's flashlight.
(b) Mwahu's penlight.
(c) Miyuki's flashlight.
(d) Miyuki's umbrella.

8. What does Jack plant as a distraction so that he and Karen can get away?
(a) A C-4 Bomb.
(b) A siren.
(c) A grenade.
(d) A radio.

9. What deal does David offer?
(a) All of these.
(b) Karen for the crystal.
(c) Mwahu for the crystal.
(d) Miyuki for the crystal.

10. How does Karen retrieve Jack in the dead Nautilus?
(a) With help from Fathom.
(b) With a remote Huey.
(c) With help from Perseus.
(d) With a remote arm.

11. Who is Karen's great-grandfather?
(a) Lieutenant Churchill.
(b) General Chapel.
(c) Colonel Churchmond.
(d) Colonel Churchward.

12. What is the name of the University at which Miyuki and Karen work in Okinawa?
(a) Kuykuryu.
(b) Kyuryu.
(c) Ryukyu.
(d) Ruyukyu.

13. According to myths, what happens to anyone who stays overnight in the ruins?
(a) They get lost.
(b) They stay forever.
(c) They die.
(d) They disappear.

14. How many sections make up Neptune's base?
(a) Two.
(b) Five.
(c) Four.
(d) Three.

15. Where is Karen told that Dr. Cortez has gone?
(a) To the Fathom.
(b) To his lab.
(c) Topside.
(d) To the crystal.