Across
- 2. Formerly known as Iapetus
- 7. Percy Jackson to Dionysus
- 9. Hades Wife
- 12. Trainer of Heroes
- 14. Three-headed guard dog of the Underworld
- 15. What Nico's sword is made out of
- 16. Percy's Cyclops half-brother
- 17. Eternal pit of darkness
- 22. Goddess of the Hunt
- 23. God of Boundaries
- 24. Roman counterpart to Camp Half-Blood
- 25. Goddess of Revenge
- 27. God Percy stabbed in the heel
- 30. character with hydrokinesis
- 31. Sea God
- 32. Praetor of Camp Jupiter
- 33. Bird-woman creature
- 37. Daughter of Athena
- 38. Lives on Ogygia
- 40. Oracle of Delphi
- 43. Race of monsters spawned by Gaia
- 44. Primordial Goddess of the Earth
- 45. Queen of the Gods
- 46. Goddess of Snow
- 48. Monster Percy defeated at Camp Half-Blood
- 49. Giant who sacrificed himself
- 51. Nico's teleportation ability
- 53. Satyr protector of the demigods
- 55. Goddess of the Hearth
- 56. Has Pyrokinesis
- 58. Main Charmspeaker
- 59. Giant nemesis of Poseidon
- 61. What awoke Gaia
- 62. Hunter of Artemis, sister of Nico
Down
- 1. Magical fleece guarded by a dragon
- 3. Cure that brought Leo back to life
- 4. One who can summon jewels
- 5. Satyr friend of Percy
- 6. Hazel's horse
- 8. King of the Gods
- 10. God of Wine
- 11. First Legion centurion, returned from the dead
- 13. Augur of Camp Jupiter
- 14. Daughter of Ares
- 18. Gold and silver automatons
- 19. Winged horse
- 20. Roman Goddess of War
- 21. Hunter of Artemis, turned into a constellation
- 26. Gorgon with snake hair
- 27. Goddess of Wisdom
- 28. Son of Mars, has shape-shifting abilities
- 29. God with two faces
- 34. God of Blacksmiths
- 35. Son of Jupiter
- 36. Daughter of Zeus turned into a tree
- 39. Son of Hermes turned traitor
- 41. Mother of Monsters
- 42. Liquid Percy controlled in Tartarus
- 47. Queen of the Amazons
- 50. God of the Sun
- 52. Roman counterpart of Hephaestus
- 53. Ferryman of the Underworld
- 54. Daughter of Aphrodite
- 56. Son of Hephaestus, expert mechanic
- 57. Roman God of the Underworld
- 60. Goddess of Magic