Across
- 4. The Greek god of war
- 7. A smart, stubborn girl who is the daughter of Athena
- 9. The daughter of Zeus who was turned into a pine tree
- 10. A ghost who gives prophecies to Percy
- 13. The entrance to Mount Olympus
- 15. A being that is half goat and half human
- 17. A place in the Underworld where mortals are eternally punished for their bad deeds
- 20. A group of three monsters who work for Hades
- 22. The Greek god of the sky
- 24. The entrance to the Underworld
- 27. The home of the gods
- 30. A license required to be allowed to go search for Pan
- 32. A powerful demi-god who was trained by Chiron
- 33. A Greek god of wine who is camp director of Camp Half-Blood
- 34. Three women who control the lives of people from birth to death
- 36. A demonic wolf-like creature that tried to kill Percy
- 39. Zeus, Poseidon, and Hades
- 40. The three-headed dog in the Underworld
- 41. Percy's Latin teacher who works at Camp Half-Blood
- 42. A Fury who is disguised as Percy's pre-algebra teacher
Down
- 1. A girl who bullies Percy at Yancy Academy
- 2. The mother of Percy Jackson
- 3. A camp where demi-gods train for quests
- 5. Zeus's most prized-possession
- 6. The mean girl at Camp Half-Blood who pushed Percy's head in a toilet
- 8. A huge creature with a bull head that attacks Percy and his mom
- 11. The son of Zeus
- 12. Percy's Jackson's sword that is made of celestial bronze
- 14. The Greek god of wisdom and warfare
- 16. The place where souls go after they die
- 18. A friend of Percy's at Camp Half-Blood, but betrayed him in the end
- 19. Percy's rude step-dad
- 21. The messenger Greek god
- 23. A day of significance for the Greek gods
- 25. The Greek god of the sea
- 26. The Greek god of the underworld
- 28. The Greek god of shepherds, flocks, and the wild
- 29. A satyr who loves to sleep and eat tin cans
- 31. The Greek goddess of marriage
- 35. A being that is half horse and half human
- 37. A woman who turns people into stone and has snakes on her head
- 38. A child of a god