[Solution] Not That One! – 18 December 2023

This puzzle involves identifying given terms as parts of a sequence, and then finding another item in that sequence based on the given shift. For example, the first clue is Mega +6. Mega is a named SI prefix, equal to 106. Six prefixes later is Yotto, equal to 1024. The full table is below:

Given ItemShiftCategoryAnswer
Mega+6SI prefixesYotto
Victoria+5Monarchs of the United KingdomElizabeth II
Pi-5Letters of the Greek alphabetLambda
Isaiah+2Books of the BibleLamentations
Silicon-6Elements of the periodic tableOxygen
Tuesday+1Days of the weekWednesday
Birdman+5Academy Award winners for Best Picture by yearParasite
Scorpio-1Signs of the zodiacLibra
Earth+4Planets by distance from the sunUranus
Pikachu+3Pokemon in national pokedex orderSandslash
Golden Rings-2Gifts in The Twelve Days of ChristmasFrench Hens
Holes-1Winners of the Newberry Medal by yearOut of the Dust
Lupin+2Defense Against the Dark Arts professors in Harry PotterUmbridge
Kennedy-3United States presidentsRoosevelt

The first letters of the answers spell out YELLOW PLUS FOUR. In rainbow order, yellow is the third color, and the seventh color is VIOLET.