Across
- 1. Killer robot with several TV shows
- 7. The lost prince
- 9. Runs a shop with their best friend
- 10. The king of the underground
- 11. The perfect body for a human loving ghost
- 13. These were accidentally created by Alphys
- 14. Tired cashier with big dreams
- 18. They can only see moving things
- 19. Runs the most expensive bake sale
- 20. The husband of the "Nose Nuzzle Championship '98," 2nd place winners
- 22. Goat mom
- 25. Just ditch them
- 26. Your first encounter
- 28. "NYEH HEH HEH!"
- 29. Give them some pets
- 30. Runs a shop with their best friend
- 31. Only encounterable on October 10th
Down
- 2. The royal scientist
- 3. They just wants some TLC
- 4. Shy and quiet DJ
- 5. The perfect body for an angry ghost
- 6. The player character
- 8. The weakest monster in the underground
- 9. The true name of the 1st fallen human
- 11. Undyne's biggest fan
- 12. The former "Hammer of Justice"
- 15. Head of the royal guard
- 16. "Hoi I'm ______!"
- 17. A body for an angry ghost
- 21. The wife of the "Nose Nuzzle Championship '98," 2nd place winners
- 23. Toby Fox's persona
- 24. "Tra la la."
- 27. The former royal scientist