Yugipedia:Manual of style

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The following styles are used in the content part of this site to ensure consistency within articles and formatting.

In most cases writing styles follow the ones used by Konami on cards in the Yu-Gi-Oh! Trading Card Game or other official Yu-Gi-Oh! media.

If something being quoted does not follow the styles outlined here, use the styles being quoted.

Proper English is always used unless it contradicts anything in this guide. Different forms of English have different styles. This guide highlights which ones are favored on this site.

The following applies to the content part of the site. When editing User, Talk or Forum pages, users may use whatever styles they prefer.


American English spellings are used.

Common differences between American and British English spellings include:

British English American English British English examples American English examples Notes
Word endings
organise, polymerisation, paralyse organize, polymerization, paralyze
-our -or armour, colour armor, color
-re -er centre, sabre center, saber "Lightsworn Sabre" uses the British spelling.
-gue g catalogue, dialogue catalog, dialog
-ce -se defence, offence defense, offense
Double consonants
-ll- -l- duellist, traveller duelist, traveler This applies to verbs ending in a vowel followed by "l". The "l" is doubled in British English, but not American English.
Silent letters
e judgement judgment In some cases, "judgement" is also used. e.g. "The Judgement Hand", but in most cases "judgment" is used. e.g. "Judgment Dragon".


Words considered to be proper nouns, proper adjectives etc. have their first letters capitalized, while common nouns, common adjectives etc. do not unless used at the start of the sentence.

Some card game terminology is capitalized, different than normal English. The capitalization used in gameplay terminology should be used on this site.

Gameplay terms which use all capital letters, include:

Gameplay terms which begin in capital letters include:

The term "battle damage" used to be capitalized but is no longer written that way on official card texts.

Gameplay terms which do not start with a capital letter, but are sometimes mistaken for starting with one include:


Wikipedia has best practices and guidelines related to italic face that may be followed, at wikipedia:MOS:ITALIC.

Italics should generally be used when writing the titles of longer or more standalone works. Some of these include:

  • Books
  • Games
  • Films
  • Musical albums
  • Series

The titles of shorter works such as episodes, chapters, and musical compositions use quotation marks instead. Traditional games like chess and religious works or scriptures like the Book of the Dead are not written in italics or quotation marks.

Other instances where italics are to be used include:

  • Card lores for Normal Monsters.
  • Card sets
  • Foreign words written in the Latin alphabet. This includes romanized Japanese text (rōmaji).
  • Named vehicles, such as Bloody Kiss or Poseidon 3. Manufacturer or model names like Ferrari or Ford Focus do not use italics.


Quotation marks[edit]

Wikipedia has best practices and guidelines related to quotation marks that may be followed, at wikipedia:MOS:QUOTE#Quotation marks.

In prose, terms which should be written in quotation marks include:

  • Card names
    • Portions of a card name that refer to a group of cards, e.g. "Elemental HERO".
  • Chapters of longer works
  • Episodes of TV series
  • Musical compositions
  • Duel Puzzles

If the last word in a sentence is within quotation marks, the period is only placed inside the quotation marks if it is part of the material being quoted. If the period is not part of the quoted material it is left outside. The same applies for other commas, question marks and exclamation marks. This practice is known as logical punctuation. In the United States and Canada, it is more common to leave periods and commas inside the quotation marks irrespective of whether it is part of the material being quoted. This practice is known as traditional punctuation.

Cards use logical punctuation, so the same is usually used on this site.


  • Correct: This card's name is treated as "Harpie Lady".
  • Incorrect: This card's name is treated as "Harpie Lady."
(The period is not part of the source)
  • Correct: Chazz said "Cards are merely weapons."
(The period is part of the source)
  • Correct: Chazz said that cards are "weapons".
  • Incorrect: Chazz said that cards are "weapons."
(The period's presence in the source is uncertain and its usage within the quotation marks is unnecessary)

It is best to avoid adding a possessive apostrophe s ('s) that is not part of the source to a name in quotation marks.


  • Correct: The effect of "Rescue Cat".
  • Incorrect: "Rescue Cat"'s effect.
  • Incorrect: "Rescue Cat's" effect.


Commas are mainly used to separate parts of a sentence such as clauses and lists of three or more things.

Logical punctuation is used when there is a comma at the end of a quotation. i.e. the comma is only included inside the quotation marks if it is part of the source material.


  • Correct: "Elemental HERO", "Destiny HERO", or "Evil HERO".
  • Incorrect: "Elemental HERO," "Destiny HERO," or "Evil HERO."

A serial comma is to be used in a conjunction in a list with three or more items.


  • Correct: "Green Gadget", "Red Gadget", and "Yellow Gadget"
  • Incorrect: "Green Gadget", "Red Gadget" and "Yellow Gadget"


Generally when forming possessives of words ending with the letter s, just add an apostrophe to the end, rather than an apostrophe and another letter s. More accurately speaking, if the word ends with an /s/ or /z/ sound, just append an apostrophe. If it does not end in an /s/ or /z/ sound, add an apostrophe and the letter s.


  • Correct: Horus' Servant
  • Incorrect: Horus's Servant
  • Correct: Debris's effect ("debris" is pronounced /ˈdɛbɹiː/, /ˈdeɪbɹiː/ or /dəˈbɹiː/; commons:File:En-us-debris.ogg)
  • Incorrect: Debris' effect

If a word ends in a double s, such as goddess, an apostrophe and an s are appended. However an abstract noun followed by sake, does not use the extra s.


  • Correct: Goddess's Punishment
  • Incorrect: Goddess' Punishment
  • Correct: For goodness' sake
  • Incorrect: For goodness's sake

As covered in the quotation marks section, when forming the possessive of a term in quotation marks, the sentence should be reformatted to avoid the apostrophe.


  • Correct: The effect of "Rescue Cat".
  • Incorrect: "Rescue Cat"'s effect.
  • Incorrect: "Rescue Cat's" effect.

Date formats[edit]

Official sources usually use American date formats. e.g. January 5, 2000 or 1/5/2000. Sometimes 2000-01-05 is used.

January 5, 2000 is favored over 1/5/2000, as some readers may read the latter as 1 May 2000.

The format January 5, 2000 should be used in articles. Any dates inserted by the system will appear in whatever format the user has specified in Special:Preferences.

Shortened month names like "Jan" should be avoided unless used in tables where there is little room.


  • Correct: January 5, 2000
  • Incorrect: January 5 2000
  • Incorrect: January 5th, 2000
  • Incorrect: 5 January 2000
  • Incorrect: 5th January 2000
  • Incorrect: 5th of January 2000
  • Incorrect: 5/1/2000
  • Incorrect: 1/5/2000
  • Incorrect: 2000-1-5
  • Correct: 2000-01-05 (Rarely used in prose. Acceptable in table cells. "January 5, 2000" can be added as hover text.)

When giving years, B.C. and A.D. (Before Christ and Anno Domini) are favored over B.C.E. and C.E. (Before Common Era and Common Era). Although the A.D. is omitted when giving years in its range.


  • Correct: 2000
  • Incorrect: 2000 A.D.
  • Incorrect: 2000 AD
  • Incorrect: 2000 C.E.
  • Incorrect: 2000 CE
  • Correct: 2000 B.C.
  • Incorrect: 2000 BC
  • Incorrect: 2000 B.C.E.
  • Incorrect: 2000 BCE

See also[edit]