The Ultimate Halloween Quiz has arrived! Six uniquely fun and creative rounds with a total of 63 questions and answers.

A fantastic feast of frights and delights, whether that be a public or private banquet, dining with a partner or eating alone.

*SPOILERS BELOW!*

Your six rounds in this special Halloween edition of Professor Brain's "The Full Brains" quiz are Quiz Worm, The Big Scream, Body Parts, (Un)Lucky 13, Keeping It Cryptic and Trick or Treat.

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Add the supplementary "Horror/Halloween 16" picture round to create a monstrous 7-Round behemoth and rule this year's Halloween quiz scene.

Can you identify all 16 of these horror or Halloween related images with the first letter of each provided for you?

Careful, some of them might be a little... tricky.

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This round works as a perfect aperitif to the full-on feast of "The Full Brains, Brains, Brains!".

Two additional challenging and entertaining rounds, ideal for adding to your own quizzical creation or simply to test yourself.

Round 1: OO. 

All of the answers in this round contain 'oo'. Nooooo problem.

Round 2: A-J. 

Ten questions, each with an answer beginning with one of the letters from A-J. One answer for each letter, the more answers you know, the more letters you can eliminate for the answers you don't.