Trivial Pursuit

There are 20 objectives to get when playing Clear The Board. You only need to get 1 of them for this achievement. To check which ones you've got, go to Options on the main menu then View Profile and choose the Objectives tab.

The 20 objectives are: -
1. All Cleared - clear the board.
2. Personal Best - beat your previous set time.
3. Quick As A Flash - clear the board in under 10 minutes.
4. Category Expert - get a 5x multiplier.
5. Category Master - get a 10x multiplier.
6. Trivia Expert - get a 5x multiplier in every category.
7. Trivia Master - get a 10x multiplier in every category.
8. Know A Bit - answer 5 questions correctly in a row.
9. Know A Lot - answer 10 questions correctly in a row.
10. Know It All - answer 15 questions correctly in a row.
11. Scientifically Proven - clear all Science questions with at least a 5x multiplier.
12. Learning From The Past - clear all History questions with at least a 5x multiplier.
13. Been There Answered That - clear all Geography questions with at least a 5x multiplier.
14. Standing Ovation - clear all Entertainment questions with at least a 5x multiplier.
15. Culture Vulture - clear all Art & Lit questions with at least a 5x multiplier.
16. Crowd Goes Wild - clear all Sports & Leisure questions with at least a 5x multiplier.
17. In Pursuit Of Perfection - clear the board without giving an incorrect answer.
18. Straight To The Point - clear the board with no multipliers on any Wedge HQs.
19. No Pressure - answer the final bonus question on your first attempt.
20. Nothing Trivial About This - get a 10x multiplier on all categories and answer the final bonus question on your first attempt.