Across
- 3. Goddess of love, beauty, passion, and procreation; also Hephaestus' wife; also Ares' lover
- 4. Activities director at Camp Half-Blood
- 5. Daughter of Zeus
- 8. Used to be a Hesperide, but was exiled after the incident with Heracles
- 9. Percy's mother
- 10. God of archery, music and dance, truth and prophecy, healing and diseases, the Sun and light, poetry, etc.; also Artemis' twin
- 14. A Greek demigod training facility
- 15. Daughter of Athena and Frederick Chase
- 16. Also known as the General; he holds up the sky
- 17. God of courage and war; also Aphrodite's lover
- 19. Hunter who Zoe originally chose to be part of the quest, but was incapacitated when given a t-shirt smeared with centaur's blood
- 23. Goddess of wisdom, handicraft, and warfare; also Annabeth's mother
- 24. Collectible card and figurine game that Nico is seen playing at the beginning of the book
- 25. God of wine, grape-harvest, festivity, madness, and religious ecstasy; also the camp director at Camp Half-blood
- 26. Son of Hades; younger brother of Bianca Di Angelo
- 28. Part bull and part serpent creature in Greek mythology whose entrails could give its sacrificer enough power to defeat the gods when burned; dubbed Bessie by Percy after he saved it
- 29. Atlas' daughters in the story
- 30. Defective prototype made by Hephaestus that Percy, Thalia, Grover, Zoe, and Bianca encounter in the Junkyard of the Gods
Down
- 1. God of the sea, storms, earthquakes, and horses; also Percy's father
- 2. Game the campers of Camp Half-Blood play using a wide amount of swords, shields, spears, armor, and magical weapons
- 6. Mountain where Atlas holds up the sky so it doesn't crush the earth
- 7. Place where Greek gods, mainly Hephaestus, throws away broken or defective devices
- 11. God of blacksmiths, metalworking, carpenters, craftsmen, artisans, sculptors, metallurgy, fire, and volcanoes; also Aphrodite's husband
- 12. The Oracle of ______ lives in the attic of the Big House at Camp Half-Blood
- 13. God of the Greek underworld; also Bianca and Nico's father
- 18. The protagonist of the story; also Grover's best friend
- 20. Satyr looking for Pan; also Percy's best friend
- 21. Maidens who have sworn loyalty to Artemis and join her in the Hunt as long as they live
- 22. Daughter of Hades; older sister of Nico Di Angelo
- 27. Goddess of wild animals, the hunt, vegetation, chastity and childbirth; also Apollo's twin