Across
- 3. God of war
- 5. God of the Underworld
- 6. Percy's satyr friend
- 7. This was Percy's Boarding School
- 10. This is where the Gods live
- 15. The main character
- 17. Zeus' father, in the pit of Tartartus
- 18. The Lightning Three lost track of time here and stayed for days
Down
- 1. God of the Skies
- 2. Percy's Latin Teacher, also half horse
- 3. Goddess of wisdom
- 4. Has snakes instead of hair
- 8. Camp for demigods
- 9. She has a hat that make her invisible
- 11. God of the Seas
- 12. Percy's math teacher who also was a Fury
- 13. This half bull, half man attacked Percy, Grover and his mom
- 14. This man took the Lightning Three to the Underworld
- 16. This man stole the lightning bolt and framed Percy