Across
- 3. son of Jupiter, "switched places" with Percy Jackson
- 5. doors/entrance to the Underworld
- 8. daughter of Aphrodite, has the ability to "charmspeak" people into doing things she wants
- 10. statue that supposedly will unite the Greek and Roman camps and almost cause of Percy and Annabeth falling into the Underworld
- 11. the West Wind
- 12. giant, nemesis of Ares
- 14. sent to an island to live there forever and have visitors she can't help falling in love with
- 15. the Titan Iapetus, lord of the west, drowned in the River Lethe, making him forget everything
- 17. skeleton cat Bob named after himself (almost)
- 21. daughter of Athena, fell into the Underworld
- 22. island where Calypso was sent to
- 24. daughter of Pluto, came back from the dead
- 25. son of Poseidon, fell into the Underworld
- 27. Demeter's agrigulture assistant, teaches people about agriculture
- 29. god of love
- 30. son of Mars, life depends on a piece of wood
- 31. Protogenos of misery and poison
- 32. son of Hephaestus, built the Argo II
- 33. Titan of light
Down
- 1. goddess of snow, depicted as an enemy in this series
- 2. father of Hazel
- 4. bandit from Greek mythology, kills people by asking them to wash his feet then kicking them off cliffs
- 6. augur for Camp Jupiter, wants to take the current praetor's place as praetor
- 7. oracle for Greek camp
- 9. Greek camp for children
- 13. Hazel's horse, son of Poseidon
- 16. goddess of magic and witchcraft, shows Hazel her crossroads
- 18. daughter of Bellona, praetor of the Twelfth Legion
- 19. the dome like the sky, but underneath the world
- 20. primiordal goddess of the night
- 23. son of Hades, can shadow travel
- 25. mother of the Minotaur
- 26. Titan of the constellations
- 28. animal Sciron uses after he kicks people off cliffs to eat them
- 29. giant, nemesis of Hecate