Across
- 1. the most useful tool for a hitchhiker
- 7. an alien stuck on Earth for 15 years
- 8. president of the galaxy
- 9. the main character
- 11. a depressed robot
- 12. translates all languages
Down
- 2. a computer designed to find the ultimate question of life
- 3. destroyed Earth
- 4. smartest beings on Earth
- 5. human who left Earth years before its destruction
- 6. home to the planet builders
- 10. reason the Earth was destroyed